44399331 has 6 divisors (see below), whose sum is σ = 64132380. Its totient is φ = 29599548.

The previous prime is 44399279. The next prime is 44399357. The reversal of 44399331 is 13399344.

It is not a de Polignac number, because 44399331 - 2²¹ = 42302179 is a prime.

It is a super-2 number, since 2×44399331² = 3942601186495122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44399231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2466621 + ... + 2466638.

It is an arithmetic number, because the mean of its divisors is an integer number (10688730).

Almost surely, 2^44399331 is an apocalyptic number.

44399331 is a deficient number, since it is larger than the sum of its proper divisors (19733049).

44399331 is a wasteful number, since it uses less digits than its factorization.

44399331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933265 (or 4933262 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 44399331 is about 6663.2822992876. The cubic root of 44399331 is about 354.0996320157.

The spelling of 44399331 in words is "forty-four million, three hundred ninety-nine thousand, three hundred thirty-one".