944439402 has 16 divisors (see below), whose sum is σ = 1897202592. Its totient is φ = 313425840.

The previous prime is 944439371. The next prime is 944439407. The reversal of 944439402 is 204934449.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (944439407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345349 + ... + 348072.

It is an arithmetic number, because the mean of its divisors is an integer number (118575162).

Almost surely, 2^944439402 is an apocalyptic number.

944439402 is an abundant number, since it is smaller than the sum of its proper divisors (952763190).

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

944439402 is a wasteful number, since it uses less digits than its factorization.

944439402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693653.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 944439402 is about 30731.7328180498. The cubic root of 944439402 is about 981.1258067115.

The spelling of 944439402 in words is "nine hundred forty-four million, four hundred thirty-nine thousand, four hundred two".