290431430 has 8 divisors (see below), whose sum is σ = 522776592. Its totient is φ = 116172568.

The previous prime is 290431423. The next prime is 290431441. The reversal of 290431430 is 34134092.

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

It is a self number, because there is not a number n which added to its sum of digits gives 290431430.

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, 14521562 + ... + 14521581.

It is an arithmetic number, because the mean of its divisors is an integer number (65347074).

Almost surely, 2^290431430 is an apocalyptic number.

290431430 is a deficient number, since it is larger than the sum of its proper divisors (232345162).

290431430 is a wasteful number, since it uses less digits than its factorization.

290431430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29043150.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 290431430 is about 17042.0488791694. The cubic root of 290431430 is about 662.2386713459.

The spelling of 290431430 in words is "two hundred ninety million, four hundred thirty-one thousand, four hundred thirty".