84463638 has 32 divisors (see below), whose sum is σ = 194088960. Its totient is φ = 24003840.

The previous prime is 84463619. The next prime is 84463657. The reversal of 84463638 is 83636448.

It is an interprime number because it is at equal distance from previous prime (84463619) and next prime (84463657).

It is a super-2 number, since 2×84463638² = 14268212288390088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 84463638.

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, 2758 + ... + 13286.

It is an arithmetic number, because the mean of its divisors is an integer number (6065280).

Almost surely, 2^84463638 is an apocalyptic number.

84463638 is an abundant number, since it is smaller than the sum of its proper divisors (109625322).

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

84463638 is a wasteful number, since it uses less digits than its factorization.

84463638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10732.

The product of its digits is 331776, while the sum is 42.

The square root of 84463638 is about 9190.4101105446. The cubic root of 84463638 is about 438.7561945863.

The spelling of 84463638 in words is "eighty-four million, four hundred sixty-three thousand, six hundred thirty-eight".