364487220 has 54 divisors (see below), whose sum is σ = 1106388738. Its totient is φ = 97128288.

The previous prime is 364487147. The next prime is 364487231. The reversal of 364487220 is 22784463.

364487220 is a `hidden beast` number, since 3 + 644 + 8 + 7 + 2 + 2 + 0 = 666.

It can be written as a sum of positive squares in only one way, i.e., 291589776 + 72897444 = 17076^2 + 8538^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 255429 + ... + 256851.

Almost surely, 2^364487220 is an apocalyptic number.

364487220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

364487220 is an abundant number, since it is smaller than the sum of its proper divisors (741901518).

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

364487220 is a wasteful number, since it uses less digits than its factorization.

364487220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 364487220 is about 19091.5483918932. The cubic root of 364487220 is about 714.3221247344.

The spelling of 364487220 in words is "three hundred sixty-four million, four hundred eighty-seven thousand, two hundred twenty".