697436349 has 4 divisors (see below), whose sum is σ = 929915136. Its totient is φ = 464957564.

The previous prime is 697436329. The next prime is 697436359. The reversal of 697436349 is 943634796.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 697436349 - 2⁸ = 697436093 is a prime.

It is a super-3 number, since 3×697436349³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697436329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116239389 + ... + 116239394.

It is an arithmetic number, because the mean of its divisors is an integer number (232478784).

Almost surely, 2^697436349 is an apocalyptic number.

It is an amenable number.

697436349 is a deficient number, since it is larger than the sum of its proper divisors (232478787).

697436349 is a wasteful number, since it uses less digits than its factorization.

697436349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232478786.

The product of its digits is 2939328, while the sum is 51.

The square root of 697436349 is about 26409.0202203717. The cubic root of 697436349 is about 886.8187348397.

The spelling of 697436349 in words is "six hundred ninety-seven million, four hundred thirty-six thousand, three hundred forty-nine".