981856470 has 32 divisors (see below), whose sum is σ = 2693092608. Its totient is φ = 224424288.

The previous prime is 981856441. The next prime is 981856481. The reversal of 981856470 is 74658189.

It is a congruent number.

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, 2337544 + ... + 2337963.

It is an arithmetic number, because the mean of its divisors is an integer number (84159144).

Almost surely, 2^981856470 is an apocalyptic number.

981856470 is an abundant number, since it is smaller than the sum of its proper divisors (1711236138).

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

981856470 is a wasteful number, since it uses less digits than its factorization.

981856470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675524.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 981856470 is about 31334.5890351222. The cubic root of 981856470 is about 993.9152070574.

The spelling of 981856470 in words is "nine hundred eighty-one million, eight hundred fifty-six thousand, four hundred seventy".