92047391 has 4 divisors (see below), whose sum is σ = 94188072. Its totient is φ = 89906712.

The previous prime is 92047387. The next prime is 92047393. The reversal of 92047391 is 19374029.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 92047391 - 2² = 92047387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92047393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070276 + ... + 1070361.

It is an arithmetic number, because the mean of its divisors is an integer number (23547018).

Almost surely, 2^92047391 is an apocalyptic number.

92047391 is a deficient number, since it is larger than the sum of its proper divisors (2140681).

92047391 is a wasteful number, since it uses less digits than its factorization.

92047391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140680.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 92047391 is about 9594.1331552152. The cubic root of 92047391 is about 451.5132447028.

The spelling of 92047391 in words is "ninety-two million, forty-seven thousand, three hundred ninety-one".