38648772 has 24 divisors (see below), whose sum is σ = 100200800. Its totient is φ = 12882888.

The previous prime is 38648759. The next prime is 38648789. The reversal of 38648772 is 27784683.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178822 + ... + 179037.

Almost surely, 2^38648772 is an apocalyptic number.

It is an amenable number.

38648772 is an abundant number, since it is smaller than the sum of its proper divisors (61552028).

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

38648772 is a wasteful number, since it uses less digits than its factorization.

38648772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357872 (or 357864 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 38648772 is about 6216.8136533115. The cubic root of 38648772 is about 338.1000485777.

The spelling of 38648772 in words is "thirty-eight million, six hundred forty-eight thousand, seven hundred seventy-two".