247115902 has 16 divisors (see below), whose sum is σ = 418316400. Its totient is φ = 108451840.

The previous prime is 247115867. The next prime is 247115903. The reversal of 247115902 is 209511742.

It is a super-2 number, since 2×247115902² = 122132538042547208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247115903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193027 + ... + 194302.

It is an arithmetic number, because the mean of its divisors is an integer number (26144775).

Almost surely, 2^247115902 is an apocalyptic number.

247115902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

247115902 is a deficient number, since it is larger than the sum of its proper divisors (171200498).

247115902 is a wasteful number, since it uses less digits than its factorization.

247115902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387371.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 247115902 is about 15719.9205468730. The cubic root of 247115902 is about 627.5286586595.

The spelling of 247115902 in words is "two hundred forty-seven million, one hundred fifteen thousand, nine hundred two".