47481396 has 12 divisors (see below), whose sum is σ = 110789952. Its totient is φ = 15827128.

The previous prime is 47481377. The next prime is 47481409. The reversal of 47481396 is 69318474.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×47481396² = 4508965932217632, which contains 22 as substring.

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, 1978380 + ... + 1978403.

It is an arithmetic number, because the mean of its divisors is an integer number (9232496).

Almost surely, 2^47481396 is an apocalyptic number.

It is an amenable number.

47481396 is an abundant number, since it is smaller than the sum of its proper divisors (63308556).

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

47481396 is a wasteful number, since it uses less digits than its factorization.

47481396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956790 (or 3956788 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 47481396 is about 6890.6745678489. The cubic root of 47481396 is about 362.1105347059.

The spelling of 47481396 in words is "forty-seven million, four hundred eighty-one thousand, three hundred ninety-six".