694354 has 4 divisors (see below), whose sum is σ = 1041534. Its totient is φ = 347176.

The previous prime is 694349. The next prime is 694357. The reversal of 694354 is 453496.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 328329 = 605^2 + 573^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (694357) by changing a digit.

694354 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173587 + ... + 173590.

2⁶⁹⁴³⁵⁴ is an apocalyptic number.

694354 is a deficient number, since it is larger than the sum of its proper divisors (347180).

694354 is a wasteful number, since it uses less digits than its factorization.

694354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347179.

The product of its digits is 12960, while the sum is 31.

The square root of 694354 is about 833.2790648996. The cubic root of 694354 is about 88.5510361357.

The spelling of 694354 in words is "six hundred ninety-four thousand, three hundred fifty-four".