38767642 has 4 divisors (see below), whose sum is σ = 58151466. Its totient is φ = 19383820.

The previous prime is 38767613. The next prime is 38767649. The reversal of 38767642 is 24676783.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36832761 + 1934881 = 6069^2 + 1391^2 .

It is not an unprimeable number, because it can be changed into a prime (38767649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9691909 + ... + 9691912.

Almost surely, 2^38767642 is an apocalyptic number.

38767642 is a deficient number, since it is larger than the sum of its proper divisors (19383824).

38767642 is a wasteful number, since it uses less digits than its factorization.

38767642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19383823.

The product of its digits is 338688, while the sum is 43.

The square root of 38767642 is about 6226.3666772846. The cubic root of 38767642 is about 338.4463193438.

The spelling of 38767642 in words is "thirty-eight million, seven hundred sixty-seven thousand, six hundred forty-two".