39444366 has 32 divisors (see below), whose sum is σ = 85524768. Its totient is φ = 12055680.

The previous prime is 39444341. The next prime is 39444367. The reversal of 39444366 is 66344493.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39444367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10636 + ... + 13856.

It is an arithmetic number, because the mean of its divisors is an integer number (2672649).

Almost surely, 2^39444366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39444366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42762384).

39444366 is an abundant number, since it is smaller than the sum of its proper divisors (46080402).

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

39444366 is a wasteful number, since it uses less digits than its factorization.

39444366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396.

The product of its digits is 186624, while the sum is 39.

The square root of 39444366 is about 6280.4749820376. The cubic root of 39444366 is about 340.4042653830.

The spelling of 39444366 in words is "thirty-nine million, four hundred forty-four thousand, three hundred sixty-six".