981974606 has 16 divisors (see below), whose sum is σ = 1554975360. Its totient is φ = 463799160.

The previous prime is 981974603. The next prime is 981974629. The reversal of 981974606 is 606479189.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981974603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24050 + ... + 50421.

It is an arithmetic number, because the mean of its divisors is an integer number (97185960).

Almost surely, 2^981974606 is an apocalyptic number.

981974606 is a deficient number, since it is larger than the sum of its proper divisors (573000754).

981974606 is a wasteful number, since it uses less digits than its factorization.

981974606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74839.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 981974606 is about 31336.4740518138. The cubic root of 981974606 is about 993.9550677572.

The spelling of 981974606 in words is "nine hundred eighty-one million, nine hundred seventy-four thousand, six hundred six".