429961634 has 4 divisors (see below), whose sum is σ = 644942454. Its totient is φ = 214980816.

The previous prime is 429961633. The next prime is 429961667. The reversal of 429961634 is 436169924.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 332880025 + 97081609 = 18245^2 + 9853^2 .

It is not an unprimeable number, because it can be changed into a prime (429961633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107490407 + ... + 107490410.

Almost surely, 2^429961634 is an apocalyptic number.

429961634 is a deficient number, since it is larger than the sum of its proper divisors (214980820).

429961634 is a wasteful number, since it uses less digits than its factorization.

429961634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214980819.

The product of its digits is 279936, while the sum is 44.

The square root of 429961634 is about 20735.5162462862. The cubic root of 429961634 is about 754.7617826589.

The spelling of 429961634 in words is "four hundred twenty-nine million, nine hundred sixty-one thousand, six hundred thirty-four".