214857431 has 8 divisors (see below), whose sum is σ = 218269728. Its totient is φ = 211456000.

The previous prime is 214857413. The next prime is 214857439. The reversal of 214857431 is 134758412.

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

It is a cyclic number.

It is not a de Polignac number, because 214857431 - 2¹⁴ = 214841047 is a prime.

It is a super-2 number, since 2×214857431² = 92327431311839522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214857391 and 214857400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214857439) 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, 43151 + ... + 47871.

It is an arithmetic number, because the mean of its divisors is an integer number (27283716).

Almost surely, 2^214857431 is an apocalyptic number.

214857431 is a deficient number, since it is larger than the sum of its proper divisors (3412297).

214857431 is an equidigital number, since it uses as much as digits as its factorization.

214857431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433.

The product of its digits is 26880, while the sum is 35.

The square root of 214857431 is about 14658.0159298590. The cubic root of 214857431 is about 598.9401948647.

The spelling of 214857431 in words is "two hundred fourteen million, eight hundred fifty-seven thousand, four hundred thirty-one".