366401628 has 18 divisors (see below), whose sum is σ = 926181984. Its totient is φ = 122133864.

The previous prime is 366401621. The next prime is 366401653. The reversal of 366401628 is 826104663.

366401628 is a `hidden beast` number, since 3 + 6 + 640 + 1 + 6 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 10177823 = 366401628 / (3 + 6 + 6 + 4 + 0 + 1 + 6 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 366401592 and 366401601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366401621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5088876 + ... + 5088947.

Almost surely, 2^366401628 is an apocalyptic number.

It is an amenable number.

366401628 is an abundant number, since it is smaller than the sum of its proper divisors (559780356).

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

366401628 is a wasteful number, since it uses less digits than its factorization.

366401628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177833 (or 10177828 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 366401628 is about 19141.6203075915. The cubic root of 366401628 is about 715.5705606026.

The spelling of 366401628 in words is "three hundred sixty-six million, four hundred one thousand, six hundred twenty-eight".