634826242 has 8 divisors (see below), whose sum is σ = 977975676. Its totient is φ = 308834352.

The previous prime is 634826219. The next prime is 634826251. The reversal of 634826242 is 242628436.

It can be written as a sum of positive squares in 2 ways, for example, as 470499481 + 164326761 = 21691^2 + 12819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4289293 + ... + 4289440.

Almost surely, 2^634826242 is an apocalyptic number.

634826242 is a deficient number, since it is larger than the sum of its proper divisors (343149434).

634826242 is a wasteful number, since it uses less digits than its factorization.

634826242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8578772.

The product of its digits is 110592, while the sum is 37.

The square root of 634826242 is about 25195.7584128758. The cubic root of 634826242 is about 859.4453977848.

The spelling of 634826242 in words is "six hundred thirty-four million, eight hundred twenty-six thousand, two hundred forty-two".