247324890 has 16 divisors (see below), whose sum is σ = 593579808. Its totient is φ = 65953296.

The previous prime is 247324849. The next prime is 247324897. The reversal of 247324890 is 98423742.

247324890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247324890² = 122339202427024200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247324897) 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, 4122052 + ... + 4122111.

It is an arithmetic number, because the mean of its divisors is an integer number (37098738).

Almost surely, 2^247324890 is an apocalyptic number.

247324890 is an abundant number, since it is smaller than the sum of its proper divisors (346254918).

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

247324890 is a wasteful number, since it uses less digits than its factorization.

247324890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244173.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 247324890 is about 15726.5663766761. The cubic root of 247324890 is about 627.7055109046.

The spelling of 247324890 in words is "two hundred forty-seven million, three hundred twenty-four thousand, eight hundred ninety".