693345 has 16 divisors (see below), whose sum is σ = 1175040. Its totient is φ = 347904.

The previous prime is 693337. The next prime is 693353. The reversal of 693345 is 543396.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (693337) and next prime (693353).

It is not a de Polignac number, because 693345 - 2³ = 693337 is a prime.

It is a Curzon number.

693345 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105 + ... + 1614.

It is an arithmetic number, because the mean of its divisors is an integer number (73440).

2⁶⁹³³⁴⁵ is an apocalyptic number.

It is an amenable number.

693345 is a deficient number, since it is larger than the sum of its proper divisors (481695).

693345 is a wasteful number, since it uses less digits than its factorization.

693345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744.

The product of its digits is 9720, while the sum is 30.

The square root of 693345 is about 832.6734053637. The cubic root of 693345 is about 88.5081227183.

The spelling of 693345 in words is "six hundred ninety-three thousand, three hundred forty-five".