47086431 has 8 divisors (see below), whose sum is σ = 71750784. Its totient is φ = 26906520.

The previous prime is 47086423. The next prime is 47086439. The reversal of 47086431 is 13468074.

It is an interprime number because it is at equal distance from previous prime (47086423) and next prime (47086439).

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

It is not a de Polignac number, because 47086431 - 2³ = 47086423 is a prime.

It is a super-2 number, since 2×47086431² = 4434263968635522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47086392 and 47086401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47086439) 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, 1121085 + ... + 1121126.

It is an arithmetic number, because the mean of its divisors is an integer number (8968848).

Almost surely, 2^47086431 is an apocalyptic number.

47086431 is a deficient number, since it is larger than the sum of its proper divisors (24664353).

47086431 is a wasteful number, since it uses less digits than its factorization.

47086431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242221.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 47086431 is about 6861.9553335766. The cubic root of 47086431 is about 361.1036884698.

The spelling of 47086431 in words is "forty-seven million, eighty-six thousand, four hundred thirty-one".