38397444 has 12 divisors (see below), whose sum is σ = 89594064. Its totient is φ = 12799144.

The previous prime is 38397427. The next prime is 38397451. The reversal of 38397444 is 44479383.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 38397396 and 38397405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599882 + ... + 1599905.

It is an arithmetic number, because the mean of its divisors is an integer number (7466172).

Almost surely, 2^38397444 is an apocalyptic number.

It is an amenable number.

38397444 is an abundant number, since it is smaller than the sum of its proper divisors (51196620).

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

38397444 is a wasteful number, since it uses less digits than its factorization.

38397444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199794 (or 3199792 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 38397444 is about 6196.5671141367. The cubic root of 38397444 is about 337.3655804897.

The spelling of 38397444 in words is "thirty-eight million, three hundred ninety-seven thousand, four hundred forty-four".