694149338 has 16 divisors (see below), whose sum is σ = 1150407360. Its totient is φ = 312455616.

The previous prime is 694149329. The next prime is 694149371. The reversal of 694149338 is 833941496.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 694149292 and 694149301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443048 + ... + 444611.

It is an arithmetic number, because the mean of its divisors is an integer number (71900460).

Almost surely, 2^694149338 is an apocalyptic number.

694149338 is a deficient number, since it is larger than the sum of its proper divisors (456258022).

694149338 is a wasteful number, since it uses less digits than its factorization.

694149338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887701.

The product of its digits is 559872, while the sum is 47.

The square root of 694149338 is about 26346.7139886552. The cubic root of 694149338 is about 885.4233509226.

The spelling of 694149338 in words is "six hundred ninety-four million, one hundred forty-nine thousand, three hundred thirty-eight".