8947492 has 6 divisors (see below), whose sum is σ = 15658118. Its totient is φ = 4473744.

The previous prime is 8947487. The next prime is 8947501. The reversal of 8947492 is 2947498.

It can be written as a sum of positive squares in only one way, i.e., 7750656 + 1196836 = 2784^2 + 1094^2 .

It is a super-2 number, since 2×8947492² = 160115226180128, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118433 + ... + 1118440.

Almost surely, 2^8947492 is an apocalyptic number.

It is an amenable number.

8947492 is a deficient number, since it is larger than the sum of its proper divisors (6710626).

8947492 is a wasteful number, since it uses less digits than its factorization.

8947492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236877 (or 2236875 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 8947492 is about 2991.2358649896. The cubic root of 8947492 is about 207.6030706788.

The spelling of 8947492 in words is "eight million, nine hundred forty-seven thousand, four hundred ninety-two".