408208252 has 24 divisors (see below), whose sum is σ = 727181280. Its totient is φ = 200464320.

The previous prime is 408208249. The next prime is 408208271. The reversal of 408208252 is 252802804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76074 + ... + 81262.

It is an arithmetic number, because the mean of its divisors is an integer number (30299220).

Almost surely, 2^408208252 is an apocalyptic number.

It is an amenable number.

408208252 is a deficient number, since it is larger than the sum of its proper divisors (318973028).

408208252 is a wasteful number, since it uses less digits than its factorization.

408208252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541 (or 5539 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 408208252 is about 20204.1642242385. The cubic root of 408208252 is about 741.8121232251.

The spelling of 408208252 in words is "four hundred eight million, two hundred eight thousand, two hundred fifty-two".