38322240 has 224 divisors, whose sum is σ = 140451840. Its totient is φ = 8755200.

The previous prime is 38322239. The next prime is 38322241. The reversal of 38322240 is 4222383.

It is an interprime number because it is at equal distance from previous prime (38322239) and next prime (38322241).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 38322240.

It is not an unprimeable number, because it can be changed into a prime (38322241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200545 + ... + 200735.

Almost surely, 2^38322240 is an apocalyptic number.

38322240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38322240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70225920).

38322240 is an abundant number, since it is smaller than the sum of its proper divisors (102129600).

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

38322240 is a wasteful number, since it uses less digits than its factorization.

38322240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 38322240 is about 6190.4959413604. The cubic root of 38322240 is about 337.1451854123.

The spelling of 38322240 in words is "thirty-eight million, three hundred twenty-two thousand, two hundred forty".