408675243 has 16 divisors (see below), whose sum is σ = 554804640. Its totient is φ = 267531264.

The previous prime is 408675217. The next prime is 408675271. The reversal of 408675243 is 342576804.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-408675243 is a prime.

It is a super-2 number, since 2×408675243² = 334030908482218098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (408675203) 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 15 ways as a sum of consecutive naturals, for example, 47023 + ... + 55031.

It is an arithmetic number, because the mean of its divisors is an integer number (34675290).

Almost surely, 2^408675243 is an apocalyptic number.

408675243 is a deficient number, since it is larger than the sum of its proper divisors (146129397).

408675243 is a wasteful number, since it uses less digits than its factorization.

408675243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8318.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 408675243 is about 20215.7177216145. The cubic root of 408675243 is about 742.0948935725.

The spelling of 408675243 in words is "four hundred eight million, six hundred seventy-five thousand, two hundred forty-three".