38202642 has 12 divisors (see below), whose sum is σ = 82772430. Its totient is φ = 12734208.

The previous prime is 38202641. The next prime is 38202643. The reversal of 38202642 is 24620283.

It is an interprime number because it is at equal distance from previous prime (38202641) and next prime (38202643).

It can be written as a sum of positive squares in only one way, i.e., 37933281 + 269361 = 6159^2 + 519^2 .

It is not an unprimeable number, because it can be changed into a prime (38202641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1061167 + ... + 1061202.

Almost surely, 2^38202642 is an apocalyptic number.

38202642 is an abundant number, since it is smaller than the sum of its proper divisors (44569788).

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

38202642 is a wasteful number, since it uses less digits than its factorization.

38202642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122377 (or 2122374 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 38202642 is about 6180.8285852303. The cubic root of 38202642 is about 336.7940932965.

The spelling of 38202642 in words is "thirty-eight million, two hundred two thousand, six hundred forty-two".