38283420 has 48 divisors (see below), whose sum is σ = 122508288. Its totient is φ = 8750400.

The previous prime is 38283409. The next prime is 38283433. The reversal of 38283420 is 2438283.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45156 + ... + 45995.

It is an arithmetic number, because the mean of its divisors is an integer number (2552256).

Almost surely, 2^38283420 is an apocalyptic number.

38283420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38283420 is an abundant number, since it is smaller than the sum of its proper divisors (84224868).

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

38283420 is a wasteful number, since it uses less digits than its factorization.

38283420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91170 (or 91168 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 38283420 is about 6187.3596953790. The cubic root of 38283420 is about 337.0313055181.

The spelling of 38283420 in words is "thirty-eight million, two hundred eighty-three thousand, four hundred twenty".