47256646 has 8 divisors (see below), whose sum is σ = 71161560. Its totient is φ = 23536128.

The previous prime is 47256637. The next prime is 47256653. The reversal of 47256646 is 64665274.

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

It is a junction number, because it is equal to n+sod(n) for n = 47256599 and 47256608.

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, 45456 + ... + 46483.

It is an arithmetic number, because the mean of its divisors is an integer number (8895195).

Almost surely, 2^47256646 is an apocalyptic number.

47256646 is a deficient number, since it is larger than the sum of its proper divisors (23904914).

47256646 is a wasteful number, since it uses less digits than its factorization.

47256646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92198.

The product of its digits is 241920, while the sum is 40.

The square root of 47256646 is about 6874.3469508019. The cubic root of 47256646 is about 361.5382888904.

The spelling of 47256646 in words is "forty-seven million, two hundred fifty-six thousand, six hundred forty-six".