247621348 has 48 divisors (see below), whose sum is σ = 485876160. Its totient is φ = 109678464.

The previous prime is 247621277. The next prime is 247621349. The reversal of 247621348 is 843126742.

247621348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247621348² = 122632663970674208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247621349) 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, 130986 + ... + 132862.

It is an arithmetic number, because the mean of its divisors is an integer number (10122420).

Almost surely, 2^247621348 is an apocalyptic number.

It is an amenable number.

247621348 is a deficient number, since it is larger than the sum of its proper divisors (238254812).

247621348 is a wasteful number, since it uses less digits than its factorization.

247621348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1994 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 247621348 is about 15735.9889425482. The cubic root of 247621348 is about 627.9562122092.

The spelling of 247621348 in words is "two hundred forty-seven million, six hundred twenty-one thousand, three hundred forty-eight".