38368440 has 96 divisors (see below), whose sum is σ = 136047600. Its totient is φ = 9300480.

The previous prime is 38368423. The next prime is 38368457. The reversal of 38368440 is 4486383.

It is an interprime number because it is at equal distance from previous prime (38368423) and next prime (38368457).

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

It is a junction number, because it is equal to n+sod(n) for n = 38368395 and 38368404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 885 + ... + 8804.

Almost surely, 2^38368440 is an apocalyptic number.

38368440 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 38368440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68023800).

38368440 is an abundant number, since it is smaller than the sum of its proper divisors (97679160).

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

38368440 is a wasteful number, since it uses less digits than its factorization.

38368440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717 (or 9710 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 38368440 is about 6194.2263439432. The cubic root of 38368440 is about 337.2806146253.

The spelling of 38368440 in words is "thirty-eight million, three hundred sixty-eight thousand, four hundred forty".