431420294 has 8 divisors (see below), whose sum is σ = 647551800. Its totient is φ = 215569696.

The previous prime is 431420267. The next prime is 431420309. The reversal of 431420294 is 492024134.

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

It is a super-2 number, since 2×431420294² = 372246940150092872, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 66344 + ... + 72555.

It is an arithmetic number, because the mean of its divisors is an integer number (80943975).

Almost surely, 2^431420294 is an apocalyptic number.

431420294 is a deficient number, since it is larger than the sum of its proper divisors (216131506).

431420294 is a wasteful number, since it uses less digits than its factorization.

431420294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140454.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 431420294 is about 20770.6594502919. The cubic root of 431420294 is about 755.6143379279.

The spelling of 431420294 in words is "four hundred thirty-one million, four hundred twenty thousand, two hundred ninety-four".