1901498382 has 128 divisors (see below), whose sum is σ = 5132160000. Its totient is φ = 509442048.

The previous prime is 1901498381. The next prime is 1901498449. The reversal of 1901498382 is 2838941091.

It is a super-3 number, since 3×1901498382³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901498381) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 3206278 + ... + 3206870.

It is an arithmetic number, because the mean of its divisors is an integer number (40095000).

Almost surely, 2^1901498382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1901498382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2566080000).

1901498382 is an abundant number, since it is smaller than the sum of its proper divisors (3230661618).

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

1901498382 is a wasteful number, since it uses less digits than its factorization.

1901498382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 1901498382 is about 43606.1736684153. The cubic root of 1901498382 is about 1238.8878299569.

The spelling of 1901498382 in words is "one billion, nine hundred one million, four hundred ninety-eight thousand, three hundred eighty-two".