944439401 has 4 divisors (see below), whose sum is σ = 966403152. Its totient is φ = 922475652.

The previous prime is 944439371. The next prime is 944439407. The reversal of 944439401 is 104934449.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 944439401 - 2¹⁸ = 944177257 is a prime.

It is a super-2 number, since 2×944439401² = 1783931564322477602, which contains 22 as substring.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 10981811 + ... + 10981896.

It is an arithmetic number, because the mean of its divisors is an integer number (241600788).

Almost surely, 2^944439401 is an apocalyptic number.

It is an amenable number.

944439401 is a deficient number, since it is larger than the sum of its proper divisors (21963751).

944439401 is a wasteful number, since it uses less digits than its factorization.

944439401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21963750.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 944439401 is about 30731.7328017800. The cubic root of 944439401 is about 981.1258063653.

The spelling of 944439401 in words is "nine hundred forty-four million, four hundred thirty-nine thousand, four hundred one".