693634 has 16 divisors (see below), whose sum is σ = 1150848. Its totient is φ = 311872.

The previous prime is 693629. The next prime is 693659. The reversal of 693634 is 436396.

It is a super-2 number, since 2×693634² = 962256251912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 693596 and 693605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (71928).

2⁶⁹³⁶³⁴ is an apocalyptic number.

693634 is a deficient number, since it is larger than the sum of its proper divisors (457214).

693634 is a wasteful number, since it uses less digits than its factorization.

693634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929.

The product of its digits is 11664, while the sum is 31.

The square root of 693634 is about 832.8469247107. The cubic root of 693634 is about 88.5204183260.

The spelling of 693634 in words is "six hundred ninety-three thousand, six hundred thirty-four".