981723464 has 32 divisors (see below), whose sum is σ = 1939140000. Its totient is φ = 464660352.

The previous prime is 981723403. The next prime is 981723473. The reversal of 981723464 is 464327189.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362387 + ... + 365085.

It is an arithmetic number, because the mean of its divisors is an integer number (60598125).

Almost surely, 2^981723464 is an apocalyptic number.

It is an amenable number.

981723464 is a deficient number, since it is larger than the sum of its proper divisors (957416536).

981723464 is a wasteful number, since it uses less digits than its factorization.

981723464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117 (or 5113 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 981723464 is about 31332.4666121262. The cubic root of 981723464 is about 993.8703251900.

The spelling of 981723464 in words is "nine hundred eighty-one million, seven hundred twenty-three thousand, four hundred sixty-four".