38283940 has 12 divisors (see below), whose sum is σ = 80396316. Its totient is φ = 15313568.

The previous prime is 38283929. The next prime is 38283943. The reversal of 38283940 is 4938283.

It can be written as a sum of positive squares in 2 ways, for example, as 6677056 + 31606884 = 2584^2 + 5622^2 .

It is a super-3 number, since 3×38283940³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38283940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38283943) 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, 957079 + ... + 957118.

It is an arithmetic number, because the mean of its divisors is an integer number (6699693).

Almost surely, 2^38283940 is an apocalyptic number.

It is an amenable number.

38283940 is an abundant number, since it is smaller than the sum of its proper divisors (42112376).

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

38283940 is a wasteful number, since it uses less digits than its factorization.

38283940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914206 (or 1914204 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 38283940 is about 6187.4017163911. The cubic root of 38283940 is about 337.0328314658.

The spelling of 38283940 in words is "thirty-eight million, two hundred eighty-three thousand, nine hundred forty".