981627432 has 16 divisors (see below), whose sum is σ = 2454068640. Its totient is φ = 327209136.

The previous prime is 981627421. The next prime is 981627443. The reversal of 981627432 is 234726189.

It is an interprime number because it is at equal distance from previous prime (981627421) and next prime (981627443).

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, 20450548 + ... + 20450595.

It is an arithmetic number, because the mean of its divisors is an integer number (153379290).

Almost surely, 2^981627432 is an apocalyptic number.

It is an amenable number.

981627432 is an abundant number, since it is smaller than the sum of its proper divisors (1472441208).

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

981627432 is a wasteful number, since it uses less digits than its factorization.

981627432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40901152 (or 40901148 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 981627432 is about 31330.9341067259. The cubic root of 981627432 is about 993.8379173987.

The spelling of 981627432 in words is "nine hundred eighty-one million, six hundred twenty-seven thousand, four hundred thirty-two".