38477642 has 12 divisors (see below), whose sum is σ = 67139730. Its totient is φ = 16490376.

The previous prime is 38477627. The next prime is 38477653. The reversal of 38477642 is 24677483.

38477642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37687321 + 790321 = 6139^2 + 889^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38477642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196217 + ... + 196412.

Almost surely, 2^38477642 is an apocalyptic number.

38477642 is a deficient number, since it is larger than the sum of its proper divisors (28662088).

38477642 is a wasteful number, since it uses less digits than its factorization.

38477642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392645 (or 392638 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 38477642 is about 6203.0349023684. The cubic root of 38477642 is about 337.6002942897.

The spelling of 38477642 in words is "thirty-eight million, four hundred seventy-seven thousand, six hundred forty-two".