429090646 has 8 divisors (see below), whose sum is σ = 653242680. Its totient is φ = 211343088.

The previous prime is 429090617. The next prime is 429090671. The reversal of 429090646 is 646090924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 429090599 and 429090608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600951 + ... + 1601218.

It is an arithmetic number, because the mean of its divisors is an integer number (81655335).

Almost surely, 2^429090646 is an apocalyptic number.

429090646 is a deficient number, since it is larger than the sum of its proper divisors (224152034).

429090646 is a wasteful number, since it uses less digits than its factorization.

429090646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202238.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 429090646 is about 20714.5032766900. The cubic root of 429090646 is about 754.2517892069.

The spelling of 429090646 in words is "four hundred twenty-nine million, ninety thousand, six hundred forty-six".