38788402 has 4 divisors (see below), whose sum is σ = 58182606. Its totient is φ = 19394200.

The previous prime is 38788391. The next prime is 38788403. The reversal of 38788402 is 20488783.

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., 26615281 + 12173121 = 5159^2 + 3489^2 .

It is not an unprimeable number, because it can be changed into a prime (38788403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9697099 + ... + 9697102.

Almost surely, 2^38788402 is an apocalyptic number.

38788402 is a deficient number, since it is larger than the sum of its proper divisors (19394204).

38788402 is a wasteful number, since it uses less digits than its factorization.

38788402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19394203.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 38788402 is about 6228.0335580342. The cubic root of 38788402 is about 338.5067210210.

The spelling of 38788402 in words is "thirty-eight million, seven hundred eighty-eight thousand, four hundred two".