378065990 has 32 divisors (see below), whose sum is σ = 717361920. Its totient is φ = 143061984.

The previous prime is 378065977. The next prime is 378066001. The reversal of 378065990 is 99560873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231557 + ... + 233183.

It is an arithmetic number, because the mean of its divisors is an integer number (22417560).

Almost surely, 2^378065990 is an apocalyptic number.

378065990 is a deficient number, since it is larger than the sum of its proper divisors (339295930).

378065990 is a wasteful number, since it uses less digits than its factorization.

378065990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 378065990 is about 19443.9191008397. The cubic root of 378065990 is about 723.0847522774.

The spelling of 378065990 in words is "three hundred seventy-eight million, sixty-five thousand, nine hundred ninety".