693698 has 4 divisors (see below), whose sum is σ = 1040550. Its totient is φ = 346848.

The previous prime is 693697. The next prime is 693701. The reversal of 693698 is 896396.

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., 426409 + 267289 = 653^2 + 517^2 .

It is not an unprimeable number, because it can be changed into a prime (693691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173423 + ... + 173426.

2⁶⁹³⁶⁹⁸ is an apocalyptic number.

693698 is a deficient number, since it is larger than the sum of its proper divisors (346852).

693698 is a wasteful number, since it uses less digits than its factorization.

693698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346851.

The product of its digits is 69984, while the sum is 41.

The square root of 693698 is about 832.8853462512. The cubic root of 693698 is about 88.5231407669.

The spelling of 693698 in words is "six hundred ninety-three thousand, six hundred ninety-eight".