365868642 has 16 divisors (see below), whose sum is σ = 742659552. Its totient is φ = 120135840.

The previous prime is 365868641. The next prime is 365868647. The reversal of 365868642 is 246868563.

It is a junction number, because it is equal to n+sod(n) for n = 365868591 and 365868600.

It is not an unprimeable number, because it can be changed into a prime (365868641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454659 + ... + 455462.

It is an arithmetic number, because the mean of its divisors is an integer number (46416222).

Almost surely, 2^365868642 is an apocalyptic number.

365868642 is an abundant number, since it is smaller than the sum of its proper divisors (376790910).

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

365868642 is a wasteful number, since it uses less digits than its factorization.

365868642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910193.

The product of its digits is 1658880, while the sum is 48.

The square root of 365868642 is about 19127.6930652915. The cubic root of 365868642 is about 715.2234240723.

The spelling of 365868642 in words is "three hundred sixty-five million, eight hundred sixty-eight thousand, six hundred forty-two".