38402448 has 80 divisors (see below), whose sum is σ = 116480640. Its totient is φ = 10672128.

The previous prime is 38402447. The next prime is 38402461. The reversal of 38402448 is 84420483.

It is not an unprimeable number, because it can be changed into a prime (38402443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10888 + ... + 13976.

It is an arithmetic number, because the mean of its divisors is an integer number (1456008).

Almost surely, 2^38402448 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 38402448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58240320).

38402448 is an abundant number, since it is smaller than the sum of its proper divisors (78078192).

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

38402448 is a wasteful number, since it uses less digits than its factorization.

38402448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144 (or 3138 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 38402448 is about 6196.9708729346. The cubic root of 38402448 is about 337.3802351460.

The spelling of 38402448 in words is "thirty-eight million, four hundred two thousand, four hundred forty-eight".