408200057 has 4 divisors (see below), whose sum is σ = 409982820. Its totient is φ = 406417296.

The previous prime is 408200053. The next prime is 408200063. The reversal of 408200057 is 750002804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 369062521 + 39137536 = 19211^2 + 6256^2 .

It is a cyclic number.

It is not a de Polignac number, because 408200057 - 2² = 408200053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 408199999 and 408200035.

It is not an unprimeable number, because it can be changed into a prime (408200053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891038 + ... + 891495.

It is an arithmetic number, because the mean of its divisors is an integer number (102495705).

Almost surely, 2^408200057 is an apocalyptic number.

It is an amenable number.

408200057 is a deficient number, since it is larger than the sum of its proper divisors (1782763).

408200057 is a wasteful number, since it uses less digits than its factorization.

408200057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782762.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 408200057 is about 20203.9614184941. The cubic root of 408200057 is about 741.8071590996.

The spelling of 408200057 in words is "four hundred eight million, two hundred thousand, fifty-seven".