629797402 has 16 divisors (see below), whose sum is σ = 1077210792. Its totient is φ = 273576960.

The previous prime is 629797391. The next prime is 629797411. The reversal of 629797402 is 204797926.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 621554761 + 8242641 = 24931^2 + 2871^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711999 + ... + 712882.

Almost surely, 2^629797402 is an apocalyptic number.

629797402 is a deficient number, since it is larger than the sum of its proper divisors (447413390).

629797402 is a wasteful number, since it uses less digits than its factorization.

629797402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424913.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 629797402 is about 25095.7646227406. The cubic root of 629797402 is about 857.1699844404.

The spelling of 629797402 in words is "six hundred twenty-nine million, seven hundred ninety-seven thousand, four hundred two".