84974590 has 16 divisors (see below), whose sum is σ = 156209472. Its totient is φ = 33266464.

The previous prime is 84974587. The next prime is 84974599. The reversal of 84974590 is 9547948.

It is a self number, because there is not a number n which added to its sum of digits gives 84974590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84974599) 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, 89929 + ... + 90868.

It is an arithmetic number, because the mean of its divisors is an integer number (9763092).

Almost surely, 2^84974590 is an apocalyptic number.

84974590 is a deficient number, since it is larger than the sum of its proper divisors (71234882).

84974590 is a wasteful number, since it uses less digits than its factorization.

84974590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180851.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 84974590 is about 9218.1663035552. The cubic root of 84974590 is about 439.6391497347.

The spelling of 84974590 in words is "eighty-four million, nine hundred seventy-four thousand, five hundred ninety".