434697631 has 4 divisors (see below), whose sum is σ = 453597552. Its totient is φ = 415797712.

The previous prime is 434697629. The next prime is 434697673. The reversal of 434697631 is 136796434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 434697631 - 2¹ = 434697629 is a prime.

It is a super-2 number, since 2×434697631² = 377924060794024322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434692631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9449926 + ... + 9449971.

It is an arithmetic number, because the mean of its divisors is an integer number (113399388).

Almost surely, 2^434697631 is an apocalyptic number.

434697631 is a deficient number, since it is larger than the sum of its proper divisors (18899921).

434697631 is a wasteful number, since it uses less digits than its factorization.

434697631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18899920.

The product of its digits is 326592, while the sum is 43.

The square root of 434697631 is about 20849.4036125737. The cubic root of 434697631 is about 757.5228854454.

The spelling of 434697631 in words is "four hundred thirty-four million, six hundred ninety-seven thousand, six hundred thirty-one".