38197224 has 128 divisors (see below), whose sum is σ = 116659200. Its totient is φ = 11508480.

The previous prime is 38197217. The next prime is 38197231. The reversal of 38197224 is 42279183.

It is an interprime number because it is at equal distance from previous prime (38197217) and next prime (38197231).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171177 + ... + 171399.

It is an arithmetic number, because the mean of its divisors is an integer number (911400).

Almost surely, 2^38197224 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 38197224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58329600).

38197224 is an abundant number, since it is smaller than the sum of its proper divisors (78461976).

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

38197224 is a wasteful number, since it uses less digits than its factorization.

38197224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 302 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 38197224 is about 6180.3902789387. The cubic root of 38197224 is about 336.7781708666.

The spelling of 38197224 in words is "thirty-eight million, one hundred ninety-seven thousand, two hundred twenty-four".