38200402 has 16 divisors (see below), whose sum is σ = 58213080. Its totient is φ = 18798208.

The previous prime is 38200387. The next prime is 38200403. The reversal of 38200402 is 20400283.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30129121 + 8071281 = 5489^2 + 2841^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38200402.

It is not an unprimeable number, because it can be changed into a prime (38200403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56088 + ... + 56764.

Almost surely, 2^38200402 is an apocalyptic number.

38200402 is a deficient number, since it is larger than the sum of its proper divisors (20012678).

38200402 is a wasteful number, since it uses less digits than its factorization.

38200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 38200402 is about 6180.6473770957. The cubic root of 38200402 is about 336.7875105623.

Adding to 38200402 its reverse (20400283), we get a palindrome (58600685).

The spelling of 38200402 in words is "thirty-eight million, two hundred thousand, four hundred two".