44390477 has 4 divisors (see below), whose sum is σ = 44405856. Its totient is φ = 44375100.

The previous prime is 44390473. The next prime is 44390551. The reversal of 44390477 is 77409344.

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 44390477 - 2² = 44390473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44390477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44390471) 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, 1913 + ... + 9614.

It is an arithmetic number, because the mean of its divisors is an integer number (11101464).

Almost surely, 2^44390477 is an apocalyptic number.

It is an amenable number.

44390477 is a deficient number, since it is larger than the sum of its proper divisors (15379).

44390477 is a wasteful number, since it uses less digits than its factorization.

44390477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15378.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 44390477 is about 6662.6178788821. The cubic root of 44390477 is about 354.0760925726.

The spelling of 44390477 in words is "forty-four million, three hundred ninety thousand, four hundred seventy-seven".