4639086 has 16 divisors (see below), whose sum is σ = 10309200. Its totient is φ = 1546344.

The previous prime is 4639081. The next prime is 4639099. The reversal of 4639086 is 6809364.

It is a super-2 number, since 2×4639086² = 43042237830792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4639086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4639081) 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, 42901 + ... + 43008.

It is an arithmetic number, because the mean of its divisors is an integer number (644325).

Almost surely, 2^4639086 is an apocalyptic number.

4639086 is an abundant number, since it is smaller than the sum of its proper divisors (5670114).

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

4639086 is a wasteful number, since it uses less digits than its factorization.

4639086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85920 (or 85914 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4639086 is about 2153.8537554811. The cubic root of 4639086 is about 166.7800659372.

The spelling of 4639086 in words is "four million, six hundred thirty-nine thousand, eighty-six".