494561700 has 90 divisors (see below), whose sum is σ = 1603199906. Its totient is φ = 131880960.

The previous prime is 494561699. The next prime is 494561701. The reversal of 494561700 is 7165494.

494561700 is a `hidden beast` number, since 4 + 94 + 561 + 7 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (494561699) and next prime (494561701).

It can be written as a sum of positive squares in 3 ways, for example, as 107495424 + 387066276 = 10368^2 + 19674^2 .

It is a tau number, because it is divible by the number of its divisors (90).

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

It is not an unprimeable number, because it can be changed into a prime (494561701) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 22429 + ... + 38628.

Almost surely, 2^494561700 is an apocalyptic number.

It is an amenable number.

494561700 is an abundant number, since it is smaller than the sum of its proper divisors (1108638206).

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

494561700 is a wasteful number, since it uses less digits than its factorization.

494561700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61083 (or 61067 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 494561700 is about 22238.7432198854. The cubic root of 494561700 is about 790.8124419788.

The spelling of 494561700 in words is "four hundred ninety-four million, five hundred sixty-one thousand, seven hundred".