378039874 has 4 divisors (see below), whose sum is σ = 567059814. Its totient is φ = 189019936.

The previous prime is 378039859. The next prime is 378039889. The reversal of 378039874 is 478930873.

378039874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (378039859) and next prime (378039889).

It can be written as a sum of positive squares in only one way, i.e., 325549849 + 52490025 = 18043^2 + 7245^2 .

It is a Smith number, since the sum of its digits (49) 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 polite number, since it can be written as a sum of consecutive naturals, namely, 94509967 + ... + 94509970.

Almost surely, 2^378039874 is an apocalyptic number.

378039874 is a deficient number, since it is larger than the sum of its proper divisors (189019940).

378039874 is a wasteful number, since it uses less digits than its factorization.

378039874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189019939.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 378039874 is about 19443.2475168116. The cubic root of 378039874 is about 723.0681021715.

The spelling of 378039874 in words is "three hundred seventy-eight million, thirty-nine thousand, eight hundred seventy-four".