38851402 has 4 divisors (see below), whose sum is σ = 58277106. Its totient is φ = 19425700.

The previous prime is 38851391. The next prime is 38851427. The reversal of 38851402 is 20415883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20415883 = 1091 ⋅18713.

It can be written as a sum of positive squares in only one way, i.e., 38427601 + 423801 = 6199^2 + 651^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 9712849 + ... + 9712852.

Almost surely, 2^38851402 is an apocalyptic number.

38851402 is a deficient number, since it is larger than the sum of its proper divisors (19425704).

38851402 is a wasteful number, since it uses less digits than its factorization.

38851402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19425703.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 38851402 is about 6233.0892822099. The cubic root of 38851402 is about 338.6898890721.

The spelling of 38851402 in words is "thirty-eight million, eight hundred fifty-one thousand, four hundred two".