244402386 has 8 divisors (see below), whose sum is σ = 488804784. Its totient is φ = 81467460.

The previous prime is 244402373. The next prime is 244402391. The reversal of 244402386 is 683204442.

It is a sphenic number, since it is the product of 3 distinct primes.

244402386 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20366860 + ... + 20366871.

It is an arithmetic number, because the mean of its divisors is an integer number (61100598).

Almost surely, 2^244402386 is an apocalyptic number.

244402386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

244402386 is a wasteful number, since it uses less digits than its factorization.

244402386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40733736.

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 244402386 is about 15633.3741079781. The cubic root of 244402386 is about 625.2232896040.

The spelling of 244402386 in words is "two hundred forty-four million, four hundred two thousand, three hundred eighty-six".