62686404 has 72 divisors (see below), whose sum is σ = 173759040. Its totient is φ = 18897600.

The previous prime is 62686387. The next prime is 62686409. The reversal of 62686404 is 40468626.

It is a happy number.

62686404 is a `hidden beast` number, since 6 + 2 + 6 + 8 + 640 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (62686409) 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, 122902 + ... + 123410.

It is an arithmetic number, because the mean of its divisors is an integer number (2413320).

Almost surely, 2^62686404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 62686404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86879520).

62686404 is an abundant number, since it is smaller than the sum of its proper divisors (111072636).

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

62686404 is a wasteful number, since it uses less digits than its factorization.

62686404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 62686404 is about 7917.4745973700. The cubic root of 62686404 is about 397.2444019572.

The spelling of 62686404 in words is "sixty-two million, six hundred eighty-six thousand, four hundred four".