694381942 has 8 divisors (see below), whose sum is σ = 1096392600. Its totient is φ = 328917744.

The previous prime is 694381921. The next prime is 694382009. The reversal of 694381942 is 249183496.

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

It is a junction number, because it is equal to n+sod(n) for n = 694381892 and 694381901.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 9136567 + ... + 9136642.

It is an arithmetic number, because the mean of its divisors is an integer number (137049075).

Almost surely, 2^694381942 is an apocalyptic number.

694381942 is a deficient number, since it is larger than the sum of its proper divisors (402010658).

694381942 is a wasteful number, since it uses less digits than its factorization.

694381942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18273230.

The product of its digits is 373248, while the sum is 46.

The square root of 694381942 is about 26351.1279075489. The cubic root of 694381942 is about 885.5222393518.

The spelling of 694381942 in words is "six hundred ninety-four million, three hundred eighty-one thousand, nine hundred forty-two".