38400002 has 16 divisors (see below), whose sum is σ = 59979960. Its totient is φ = 18415488.

The previous prime is 38399983. The next prime is 38400023. The reversal of 38400002 is 20000483.

It can be written as a sum of positive squares in 4 ways, for example, as 35772361 + 2627641 = 5981^2 + 1621^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6998 + ... + 11214.

Almost surely, 2^38400002 is an apocalyptic number.

38400002 is a deficient number, since it is larger than the sum of its proper divisors (21579958).

38400002 is a wasteful number, since it uses less digits than its factorization.

38400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 38400002 is about 6196.7735153062. The cubic root of 38400002 is about 337.3730719779.

Adding to 38400002 its reverse (20000483), we get a palindrome (58400485).

The spelling of 38400002 in words is "thirty-eight million, four hundred thousand, two".