368400057 has 4 divisors (see below), whose sum is σ = 491200080. Its totient is φ = 245600036.

The previous prime is 368400023. The next prime is 368400059. The reversal of 368400057 is 750004863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 750004863 = 3 ⋅250001621.

It is a cyclic number.

It is not a de Polignac number, because 368400057 - 2¹⁰ = 368399033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (368400059) 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, 61400007 + ... + 61400012.

It is an arithmetic number, because the mean of its divisors is an integer number (122800020).

Almost surely, 2^368400057 is an apocalyptic number.

It is an amenable number.

368400057 is a deficient number, since it is larger than the sum of its proper divisors (122800023).

368400057 is a wasteful number, since it uses less digits than its factorization.

368400057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122800022.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 368400057 is about 19193.7504672745. The cubic root of 368400057 is about 716.8691583092.

The spelling of 368400057 in words is "three hundred sixty-eight million, four hundred thousand, fifty-seven".