366427620 has 72 divisors (see below), whose sum is σ = 1197004536. Its totient is φ = 90196992.

The previous prime is 366427609. The next prime is 366427631. The reversal of 366427620 is 26724663.

It is a happy number.

366427620 is a `hidden beast` number, since 3 + 6 + 6 + 4 + 27 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (366427609) and next prime (366427631).

It can be written as a sum of positive squares in 4 ways, for example, as 6718464 + 359709156 = 2592^2 + 18966^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75957 + ... + 80636.

It is an arithmetic number, because the mean of its divisors is an integer number (16625063).

Almost surely, 2^366427620 is an apocalyptic number.

366427620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

366427620 is an abundant number, since it is smaller than the sum of its proper divisors (830576916).

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

366427620 is a wasteful number, since it uses less digits than its factorization.

366427620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156621 (or 156616 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 366427620 is about 19142.2992349404. The cubic root of 366427620 is about 715.5874807151.

The spelling of 366427620 in words is "three hundred sixty-six million, four hundred twenty-seven thousand, six hundred twenty".