44290386 has 48 divisors (see below), whose sum is σ = 110096064. Its totient is φ = 12605472.

The previous prime is 44290381. The next prime is 44290409. The reversal of 44290386 is 68309244.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44290386.

It is not an unprimeable number, because it can be changed into a prime (44290381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43216 + ... + 44228.

It is an arithmetic number, because the mean of its divisors is an integer number (2293668).

Almost surely, 2^44290386 is an apocalyptic number.

44290386 is an abundant number, since it is smaller than the sum of its proper divisors (65805678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44290386 is a wasteful number, since it uses less digits than its factorization.

44290386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 44290386 is about 6655.1022531588. The cubic root of 44290386 is about 353.8097704363.

The spelling of 44290386 in words is "forty-four million, two hundred ninety thousand, three hundred eighty-six".