610428636 has 36 divisors (see below), whose sum is σ = 1600179672. Its totient is φ = 203475888.

The previous prime is 610428631. The next prime is 610428649. The reversal of 610428636 is 636824016.

610428636 is a `hidden beast` number, since 6 + 10 + 4 + 2 + 8 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 610428636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610428631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313035 + ... + 314978.

Almost surely, 2^610428636 is an apocalyptic number.

It is an amenable number.

610428636 is an abundant number, since it is smaller than the sum of its proper divisors (989751036).

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

610428636 is a wasteful number, since it uses less digits than its factorization.

610428636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628032 (or 628018 counting only the distinct ones).

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

The square root of 610428636 is about 24706.8540287913. The cubic root of 610428636 is about 848.2912087995.

The spelling of 610428636 in words is "six hundred ten million, four hundred twenty-eight thousand, six hundred thirty-six".