378285190 has 32 divisors (see below), whose sum is σ = 737748000. Its totient is φ = 139098624.

The previous prime is 378285181. The next prime is 378285191. The reversal of 378285190 is 91582873.

It is a super-2 number, since 2×378285190² = 286199369946672200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378285191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18565 + ... + 33184.

It is an arithmetic number, because the mean of its divisors is an integer number (23054625).

Almost surely, 2^378285190 is an apocalyptic number.

378285190 is a deficient number, since it is larger than the sum of its proper divisors (359462810).

378285190 is a wasteful number, since it uses less digits than its factorization.

378285190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51816.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 378285190 is about 19449.5550077630. Note that the first 3 decimals coincide. The cubic root of 378285190 is about 723.2244717614.

The spelling of 378285190 in words is "three hundred seventy-eight million, two hundred eighty-five thousand, one hundred ninety".