38886440 has 16 divisors (see below), whose sum is σ = 87494580. Its totient is φ = 15554560.

The previous prime is 38886439. The next prime is 38886461. The reversal of 38886440 is 4468883.

It can be written as a sum of positive squares in 2 ways, for example, as 35976004 + 2910436 = 5998^2 + 1706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486041 + ... + 486120.

Almost surely, 2^38886440 is an apocalyptic number.

It is an amenable number.

38886440 is an abundant number, since it is smaller than the sum of its proper divisors (48608140).

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

38886440 is a wasteful number, since it uses less digits than its factorization.

38886440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972172 (or 972168 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 38886440 is about 6235.8992936063. The cubic root of 38886440 is about 338.7916739078.

The spelling of 38886440 in words is "thirty-eight million, eight hundred eighty-six thousand, four hundred forty".