427935431 has 16 divisors (see below), whose sum is σ = 534912000. Its totient is φ = 332592480.

The previous prime is 427935421. The next prime is 427935433. The reversal of 427935431 is 134539724.

It is a de Polignac number, because none of the positive numbers 2^k-427935431 is a prime.

It is a super-2 number, since 2×427935431² = 366257466210311522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427935433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23570 + ... + 37568.

It is an arithmetic number, because the mean of its divisors is an integer number (33432000).

Almost surely, 2^427935431 is an apocalyptic number.

427935431 is a deficient number, since it is larger than the sum of its proper divisors (106976569).

427935431 is a wasteful number, since it uses less digits than its factorization.

427935431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14414.

The product of its digits is 90720, while the sum is 38.

The square root of 427935431 is about 20686.6002765075. The cubic root of 427935431 is about 753.5743052476.

The spelling of 427935431 in words is "four hundred twenty-seven million, nine hundred thirty-five thousand, four hundred thirty-one".