44643361 has 6 divisors (see below), whose sum is σ = 51932130. Its totient is φ = 38265696.

The previous prime is 44643341. The next prime is 44643367. The reversal of 44643361 is 16334644.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42837025 + 1806336 = 6545^2 + 1344^2 .

It is not a de Polignac number, because 44643361 - 2⁵ = 44643329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44643367) 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, 455496 + ... + 455593.

It is an arithmetic number, because the mean of its divisors is an integer number (8655355).

Almost surely, 2^44643361 is an apocalyptic number.

It is an amenable number.

44643361 is a deficient number, since it is larger than the sum of its proper divisors (7288769).

44643361 is an equidigital number, since it uses as much as digits as its factorization.

44643361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911103 (or 911096 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 44643361 is about 6681.5687529202. The cubic root of 44643361 is about 354.7471875888.

The spelling of 44643361 in words is "forty-four million, six hundred forty-three thousand, three hundred sixty-one".