694811944 has 8 divisors (see below), whose sum is σ = 1302772410. Its totient is φ = 347405968.

The previous prime is 694811939. The next prime is 694811963. The reversal of 694811944 is 449118496.

It can be written as a sum of positive squares in only one way, i.e., 473932900 + 220879044 = 21770^2 + 14862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 694811894 and 694811903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43425739 + ... + 43425754.

Almost surely, 2^694811944 is an apocalyptic number.

It is an amenable number.

694811944 is a deficient number, since it is larger than the sum of its proper divisors (607960466).

694811944 is a wasteful number, since it uses less digits than its factorization.

694811944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86851499 (or 86851495 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 694811944 is about 26359.2857262863. The cubic root of 694811944 is about 885.7049907255.

The spelling of 694811944 in words is "six hundred ninety-four million, eight hundred eleven thousand, nine hundred forty-four".