981565376 has 28 divisors (see below), whose sum is σ = 2124867480. Its totient is φ = 446165760.

The previous prime is 981565367. The next prime is 981565393. The reversal of 981565376 is 673565189.

It is a happy number.

981565376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696431 + ... + 697838.

Almost surely, 2^981565376 is an apocalyptic number.

It is an amenable number.

981565376 is an abundant number, since it is smaller than the sum of its proper divisors (1143302104).

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

981565376 is a wasteful number, since it uses less digits than its factorization.

981565376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394292 (or 1394282 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 981565376 is about 31329.9437599240. The cubic root of 981565376 is about 993.8169743187.

The spelling of 981565376 in words is "nine hundred eighty-one million, five hundred sixty-five thousand, three hundred seventy-six".