38243402 has 16 divisors (see below), whose sum is σ = 59489640. Its totient is φ = 18416832.

The previous prime is 38243377. The next prime is 38243417. The reversal of 38243402 is 20434283.

It can be written as a sum of positive squares in 4 ways, for example, as 14145121 + 24098281 = 3761^2 + 4909^2 .

It is an unprimeable number.

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, 44408 + ... + 45260.

Almost surely, 2^38243402 is an apocalyptic number.

38243402 is a deficient number, since it is larger than the sum of its proper divisors (21246238).

38243402 is a wasteful number, since it uses less digits than its factorization.

38243402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 38243402 is about 6184.1249987367. The cubic root of 38243402 is about 336.9138306340.

Adding to 38243402 its reverse (20434283), we get a palindrome (58677685).

The spelling of 38243402 in words is "thirty-eight million, two hundred forty-three thousand, four hundred two".