38670242 has 24 divisors (see below), whose sum is σ = 63244800. Its totient is φ = 17724720.

The previous prime is 38670241. The next prime is 38670251. The reversal of 38670242 is 24207683.

It is a junction number, because it is equal to n+sod(n) for n = 38670199 and 38670208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38670241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64259 + ... + 64857.

It is an arithmetic number, because the mean of its divisors is an integer number (2635200).

Almost surely, 2^38670242 is an apocalyptic number.

38670242 is a deficient number, since it is larger than the sum of its proper divisors (24574558).

38670242 is a wasteful number, since it uses less digits than its factorization.

38670242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 38670242 is about 6218.5401823901. The cubic root of 38670242 is about 338.1626436178.

The spelling of 38670242 in words is "thirty-eight million, six hundred seventy thousand, two hundred forty-two".