994198378 has 16 divisors (see below), whose sum is σ = 1498694400. Its totient is φ = 494640256.

The previous prime is 994198349. The next prime is 994198411. The reversal of 994198378 is 873891499.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413223 + ... + 415621.

It is an arithmetic number, because the mean of its divisors is an integer number (93668400).

Almost surely, 2^994198378 is an apocalyptic number.

994198378 is a deficient number, since it is larger than the sum of its proper divisors (504496022).

994198378 is a wasteful number, since it uses less digits than its factorization.

994198378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341.

The product of its digits is 3919104, while the sum is 58.

The square root of 994198378 is about 31530.9114679547. The cubic root of 994198378 is about 998.0623740305.

The spelling of 994198378 in words is "nine hundred ninety-four million, one hundred ninety-eight thousand, three hundred seventy-eight".