47656338 has 32 divisors (see below), whose sum is σ = 104405760. Its totient is φ = 14434560.

The previous prime is 47656337. The next prime is 47656339. The reversal of 47656338 is 83365674.

It is an interprime number because it is at equal distance from previous prime (47656337) and next prime (47656339).

It is a super-2 number, since 2×47656338² = 4542253103140488, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47656338.

It is not an unprimeable number, because it can be changed into a prime (47656337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5098 + ... + 11013.

It is an arithmetic number, because the mean of its divisors is an integer number (3262680).

Almost surely, 2^47656338 is an apocalyptic number.

47656338 is an abundant number, since it is smaller than the sum of its proper divisors (56749422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47656338 is a wasteful number, since it uses less digits than its factorization.

47656338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16162.

The product of its digits is 362880, while the sum is 42.

The square root of 47656338 is about 6903.3570094556. The cubic root of 47656338 is about 362.5547135805.

The spelling of 47656338 in words is "forty-seven million, six hundred fifty-six thousand, three hundred thirty-eight".