38770642 has 16 divisors (see below), whose sum is σ = 62180352. Its totient is φ = 18066240.

The previous prime is 38770631. The next prime is 38770643. The reversal of 38770642 is 24607783.

It is not an unprimeable number, because it can be changed into a prime (38770643) 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, 2034 + ... + 9037.

It is an arithmetic number, because the mean of its divisors is an integer number (3886272).

Almost surely, 2^38770642 is an apocalyptic number.

38770642 is a deficient number, since it is larger than the sum of its proper divisors (23409710).

38770642 is a wasteful number, since it uses less digits than its factorization.

38770642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11193.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 38770642 is about 6226.6075835884. The cubic root of 38770642 is about 338.4550492425.

The spelling of 38770642 in words is "thirty-eight million, seven hundred seventy thousand, six hundred forty-two".