431401797 has 24 divisors (see below), whose sum is σ = 644903168. Its totient is φ = 277603200.

The previous prime is 431401787. The next prime is 431401799. The reversal of 431401797 is 797104134.

It is not a de Polignac number, because 431401797 - 2¹⁰ = 431400773 is a prime.

It is a super-3 number, since 3×431401797³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431401799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119022 + ... + 122592.

Almost surely, 2^431401797 is an apocalyptic number.

It is an amenable number.

431401797 is a deficient number, since it is larger than the sum of its proper divisors (213501371).

431401797 is a wasteful number, since it uses less digits than its factorization.

431401797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041 (or 4038 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 431401797 is about 20770.2141780002. The cubic root of 431401797 is about 755.6035388700.

The spelling of 431401797 in words is "four hundred thirty-one million, four hundred one thousand, seven hundred ninety-seven".