84264690 has 32 divisors (see below), whose sum is σ = 202527936. Its totient is φ = 22438080.

The previous prime is 84264679. The next prime is 84264701. The reversal of 84264690 is 9646248.

It is an interprime number because it is at equal distance from previous prime (84264679) and next prime (84264701).

It is a super-2 number, since 2×84264690² = 14201075961592200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24900 + ... + 28080.

It is an arithmetic number, because the mean of its divisors is an integer number (6328998).

Almost surely, 2^84264690 is an apocalyptic number.

84264690 is an abundant number, since it is smaller than the sum of its proper divisors (118263246).

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

84264690 is a wasteful number, since it uses less digits than its factorization.

84264690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 84264690 is about 9179.5800557542. The cubic root of 84264690 is about 438.4114375834.

The spelling of 84264690 in words is "eighty-four million, two hundred sixty-four thousand, six hundred ninety".