431697093 has 8 divisors (see below), whose sum is σ = 591152928. Its totient is φ = 280019664.

The previous prime is 431697089. The next prime is 431697109. The reversal of 431697093 is 390796134.

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

It is not a de Polignac number, because 431697093 - 2² = 431697089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431697073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944471 + ... + 1944692.

It is an arithmetic number, because the mean of its divisors is an integer number (73894116).

Almost surely, 2^431697093 is an apocalyptic number.

It is an amenable number.

431697093 is a deficient number, since it is larger than the sum of its proper divisors (159455835).

431697093 is a wasteful number, since it uses less digits than its factorization.

431697093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889203.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 431697093 is about 20777.3216031326. The cubic root of 431697093 is about 755.7759039468.

The spelling of 431697093 in words is "four hundred thirty-one million, six hundred ninety-seven thousand, ninety-three".