38374240 has 48 divisors (see below), whose sum is σ = 91043568. Its totient is φ = 15284736.

The previous prime is 38374211. The next prime is 38374241. The reversal of 38374240 is 4247383.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38374241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59359 + ... + 60001.

It is an arithmetic number, because the mean of its divisors is an integer number (1896741).

Almost surely, 2^38374240 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 38374240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45521784).

38374240 is an abundant number, since it is smaller than the sum of its proper divisors (52669328).

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

38374240 is a wasteful number, since it uses less digits than its factorization.

38374240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 38374240 is about 6194.6945041705. The cubic root of 38374240 is about 337.2976088789.

The spelling of 38374240 in words is "thirty-eight million, three hundred seventy-four thousand, two hundred forty".