629424490 has 16 divisors (see below), whose sum is σ = 1199609352. Its totient is φ = 236959744.

The previous prime is 629424479. The next prime is 629424539. The reversal of 629424490 is 94424926.

It can be written as a sum of positive squares in 4 ways, for example, as 571831569 + 57592921 = 23913^2 + 7589^2 .

It is a super-2 number, since 2×629424490² = 792350377223520200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851079 + ... + 1851418.

Almost surely, 2^629424490 is an apocalyptic number.

629424490 is a deficient number, since it is larger than the sum of its proper divisors (570184862).

629424490 is a wasteful number, since it uses less digits than its factorization.

629424490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702521.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 629424490 is about 25088.3337429970. Note that the first 3 decimals coincide. The cubic root of 629424490 is about 857.0007701912. Note that the first 3 decimals are identical.

The spelling of 629424490 in words is "six hundred twenty-nine million, four hundred twenty-four thousand, four hundred ninety".