38499320 has 64 divisors (see below), whose sum is σ = 92016000. Its totient is φ = 14456448.

The previous prime is 38499311. The next prime is 38499323. The reversal of 38499320 is 2399483.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38499323) 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, 135899 + ... + 136181.

It is an arithmetic number, because the mean of its divisors is an integer number (1437750).

Almost surely, 2^38499320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38499320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46008000).

38499320 is an abundant number, since it is smaller than the sum of its proper divisors (53516680).

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

38499320 is a wasteful number, since it uses less digits than its factorization.

38499320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 38499320 is about 6204.7820267919. The cubic root of 38499320 is about 337.6636828346.

The spelling of 38499320 in words is "thirty-eight million, four hundred ninety-nine thousand, three hundred twenty".