1915397496 has 128 divisors (see below), whose sum is σ = 5731430400. Its totient is φ = 590958720.

The previous prime is 1915397483. The next prime is 1915397521. The reversal of 1915397496 is 6947935191.

1915397496 is a `hidden beast` number, since 19 + 1 + 53 + 97 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147790 + ... + 160226.

It is an arithmetic number, because the mean of its divisors is an integer number (44776800).

Almost surely, 2^1915397496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1915397496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2865715200).

1915397496 is an abundant number, since it is smaller than the sum of its proper divisors (3816032904).

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

1915397496 is a wasteful number, since it uses less digits than its factorization.

1915397496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12506 (or 12496 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 1915397496 is about 43765.2544377386. The cubic root of 1915397496 is about 1241.8990792930.

The spelling of 1915397496 in words is "one billion, nine hundred fifteen million, three hundred ninety-seven thousand, four hundred ninety-six".