434336690 has 16 divisors (see below), whose sum is σ = 783117720. Its totient is φ = 173443200.

The previous prime is 434336687. The next prime is 434336711. The reversal of 434336690 is 96633434.

It can be written as a sum of positive squares in 4 ways, for example, as 378341401 + 55995289 = 19451^2 + 7483^2 .

It is a super-2 number, since 2×434336690² = 377296720560312200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30125 + ... + 42144.

Almost surely, 2^434336690 is an apocalyptic number.

434336690 is a deficient number, since it is larger than the sum of its proper divisors (348781030).

434336690 is a wasteful number, since it uses less digits than its factorization.

434336690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72877.

The product of its (nonzero) digits is 139968, while the sum is 38.

The square root of 434336690 is about 20840.7459079564. The cubic root of 434336690 is about 757.3131635916.

The spelling of 434336690 in words is "four hundred thirty-four million, three hundred thirty-six thousand, six hundred ninety".