44380997 has 4 divisors (see below), whose sum is σ = 44576736. Its totient is φ = 44185260.

The previous prime is 44380993. The next prime is 44381041. The reversal of 44380997 is 79908344.

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 44380997 - 2² = 44380993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44380993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97529 + ... + 97982.

It is an arithmetic number, because the mean of its divisors is an integer number (11144184).

Almost surely, 2^44380997 is an apocalyptic number.

It is an amenable number.

44380997 is a deficient number, since it is larger than the sum of its proper divisors (195739).

44380997 is a wasteful number, since it uses less digits than its factorization.

44380997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195738.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 44380997 is about 6661.9064088292. The cubic root of 44380997 is about 354.0508853618.

The spelling of 44380997 in words is "forty-four million, three hundred eighty thousand, nine hundred ninety-seven".