1897015248 has 80 divisors (see below), whose sum is σ = 5452061760. Its totient is φ = 631534464.

The previous prime is 1897015231. The next prime is 1897015277. The reversal of 1897015248 is 8425107981.

It is a super-2 number, since 2×1897015248² = 7197333702289003008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406786 + ... + 411422.

It is an arithmetic number, because the mean of its divisors is an integer number (68150772).

Almost surely, 2^1897015248 is an apocalyptic number.

1897015248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1897015248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2726030880).

1897015248 is an abundant number, since it is smaller than the sum of its proper divisors (3555046512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1897015248 is a wasteful number, since it uses less digits than its factorization.

1897015248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601 (or 5589 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 1897015248 is about 43554.7385252167. The cubic root of 1897015248 is about 1237.9134280727.

The spelling of 1897015248 in words is "one billion, eight hundred ninety-seven million, fifteen thousand, two hundred forty-eight".