38291652 has 144 divisors (see below), whose sum is σ = 116992512. Its totient is φ = 10333440.

The previous prime is 38291651. The next prime is 38291653. The reversal of 38291652 is 25619283.

It is an interprime number because it is at equal distance from previous prime (38291651) and next prime (38291653).

It is a super-2 number, since 2×38291652² = 2932501225778208, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (38291651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 627702 + ... + 627762.

It is an arithmetic number, because the mean of its divisors is an integer number (812448).

Almost surely, 2^38291652 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 38291652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58496256).

38291652 is an abundant number, since it is smaller than the sum of its proper divisors (78700860).

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

38291652 is a wasteful number, since it uses less digits than its factorization.

38291652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 173 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 38291652 is about 6188.0248868278. The cubic root of 38291652 is about 337.0554608214.

The spelling of 38291652 in words is "thirty-eight million, two hundred ninety-one thousand, six hundred fifty-two".