47297816 has 16 divisors (see below), whose sum is σ = 91544640. Its totient is φ = 22885920.

The previous prime is 47297801. The next prime is 47297827. The reversal of 47297816 is 61879274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95111 + ... + 95606.

It is an arithmetic number, because the mean of its divisors is an integer number (5721540).

Almost surely, 2^47297816 is an apocalyptic number.

It is an amenable number.

47297816 is a deficient number, since it is larger than the sum of its proper divisors (44246824).

47297816 is a wasteful number, since it uses less digits than its factorization.

47297816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190754 (or 190750 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 47297816 is about 6877.3407651504. The cubic root of 47297816 is about 361.6432491604.

The spelling of 47297816 in words is "forty-seven million, two hundred ninety-seven thousand, eight hundred sixteen".