378967698 has 24 divisors (see below), whose sum is σ = 822873168. Its totient is φ = 126049272.

The previous prime is 378967697. The next prime is 378967709. The reversal of 378967698 is 896769873.

It is a happy number.

It is a super-2 number, since 2×378967698² = 287233032254838408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378967697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14136 + ... + 30947.

It is an arithmetic number, because the mean of its divisors is an integer number (34286382).

Almost surely, 2^378967698 is an apocalyptic number.

378967698 is an abundant number, since it is smaller than the sum of its proper divisors (443905470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378967698 is a wasteful number, since it uses less digits than its factorization.

378967698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45558 (or 45555 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 378967698 is about 19467.0926951099. The cubic root of 378967698 is about 723.6591613734.

The spelling of 378967698 in words is "three hundred seventy-eight million, nine hundred sixty-seven thousand, six hundred ninety-eight".