4087320 has 32 divisors (see below), whose sum is σ = 12262320. Its totient is φ = 1089920.

The previous prime is 4087301. The next prime is 4087333. The reversal of 4087320 is 237804.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16911 + ... + 17150.

Almost surely, 2^4087320 is an apocalyptic number.

4087320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4087320 is an abundant number, since it is smaller than the sum of its proper divisors (8175000).

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

4087320 is a wasteful number, since it uses less digits than its factorization.

4087320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34075 (or 34071 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 4087320 is about 2021.7121456825. The cubic root of 4087320 is about 159.8868992369.

The spelling of 4087320 in words is "four million, eighty-seven thousand, three hundred twenty".