987974694 has 48 divisors (see below), whose sum is σ = 2448276480. Its totient is φ = 282063600.

The previous prime is 987974693. The next prime is 987974699. The reversal of 987974694 is 496479789.

987974694 is a `hidden beast` number, since 9 + 87 + 97 + 469 + 4 = 666.

987974694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987974693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243817 + ... + 247835.

It is an arithmetic number, because the mean of its divisors is an integer number (51005760).

Almost surely, 2^987974694 is an apocalyptic number.

987974694 is an abundant number, since it is smaller than the sum of its proper divisors (1460301786).

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

987974694 is a wasteful number, since it uses less digits than its factorization.

987974694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5985 (or 5982 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 987974694 is about 31432.0647428705. The cubic root of 987974694 is about 995.9753889017.

The spelling of 987974694 in words is "nine hundred eighty-seven million, nine hundred seventy-four thousand, six hundred ninety-four".