38279172 has 48 divisors (see below), whose sum is σ = 97638912. Its totient is φ = 11619840.

The previous prime is 38279161. The next prime is 38279179. The reversal of 38279172 is 27197283.

It is a self number, because there is not a number n which added to its sum of digits gives 38279172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38279179) 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, 3298 + ... + 9350.

It is an arithmetic number, because the mean of its divisors is an integer number (2034144).

Almost surely, 2^38279172 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 38279172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48819456).

38279172 is an abundant number, since it is smaller than the sum of its proper divisors (59359740).

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

38279172 is a wasteful number, since it uses less digits than its factorization.

38279172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108 (or 6106 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 38279172 is about 6187.0164053443. The cubic root of 38279172 is about 337.0188391820.

The spelling of 38279172 in words is "thirty-eight million, two hundred seventy-nine thousand, one hundred seventy-two".