981914252 has 48 divisors (see below), whose sum is σ = 1993082112. Its totient is φ = 418841280.

The previous prime is 981914249. The next prime is 981914273. The reversal of 981914252 is 252419189.

It is a super-3 number, since 3×981914252³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44483 + ... + 62789.

It is an arithmetic number, because the mean of its divisors is an integer number (41522544).

Almost surely, 2^981914252 is an apocalyptic number.

981914252 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

981914252 is an abundant number, since it is smaller than the sum of its proper divisors (1011167860).

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

981914252 is a wasteful number, since it uses less digits than its factorization.

981914252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18398 (or 18396 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 981914252 is about 31335.5110377986. The cubic root of 981914252 is about 993.9347038928.

The spelling of 981914252 in words is "nine hundred eighty-one million, nine hundred fourteen thousand, two hundred fifty-two".