378031798 has 8 divisors (see below), whose sum is σ = 567130680. Its totient is φ = 188988240.

The previous prime is 378031793. The next prime is 378031799. The reversal of 378031798 is 897130873.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×378031798² = 285816080598225608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378031793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16993 + ... + 32323.

It is an arithmetic number, because the mean of its divisors is an integer number (70891335).

Almost surely, 2^378031798 is an apocalyptic number.

378031798 is a deficient number, since it is larger than the sum of its proper divisors (189098882).

378031798 is a wasteful number, since it uses less digits than its factorization.

378031798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27662.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 378031798 is about 19443.0398343469. The cubic root of 378031798 is about 723.0629532089.

It can be divided in two parts, 37803 and 1798, that added together give a square (39601 = 199²).

The spelling of 378031798 in words is "three hundred seventy-eight million, thirty-one thousand, seven hundred ninety-eight".