3897450 has 48 divisors (see below), whose sum is σ = 10743360. Its totient is φ = 1038960.

The previous prime is 3897449. The next prime is 3897463. The reversal of 3897450 is 547983.

It is a plaindrome in base 11.

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 23 ways as a sum of consecutive naturals, for example, 94 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (223820).

Almost surely, 2^3897450 is an apocalyptic number.

3897450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3897450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5371680).

3897450 is an abundant number, since it is smaller than the sum of its proper divisors (6845910).

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

3897450 is a wasteful number, since it uses less digits than its factorization.

3897450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2897 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3897450 is about 1974.1960388979. The cubic root of 3897450 is about 157.3717777275.

The spelling of 3897450 in words is "three million, eight hundred ninety-seven thousand, four hundred fifty".