47548386 has 12 divisors (see below), whose sum is σ = 103021542. Its totient is φ = 15849456.

The previous prime is 47548379. The next prime is 47548409. The reversal of 47548386 is 68384574.

It can be written as a sum of positive squares in only one way, i.e., 47403225 + 145161 = 6885^2 + 381^2 .

It is a super-2 number, since 2×47548386² = 4521698022409992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1320771 + ... + 1320806.

Almost surely, 2^47548386 is an apocalyptic number.

47548386 is an abundant number, since it is smaller than the sum of its proper divisors (55473156).

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

47548386 is a wasteful number, since it uses less digits than its factorization.

47548386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641585 (or 2641582 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 47548386 is about 6895.5337719425. The cubic root of 47548386 is about 362.2807514470.

The spelling of 47548386 in words is "forty-seven million, five hundred forty-eight thousand, three hundred eighty-six".