699375 has 20 divisors (see below), whose sum is σ = 1168376. Its totient is φ = 372000.

The previous prime is 699373. The next prime is 699379. The reversal of 699375 is 573996.

It is not a de Polignac number, because 699375 - 2¹ = 699373 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 699375.

It is not an unprimeable number, because it can be changed into a prime (699373) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1689 + ... + 2061.

2⁶⁹⁹³⁷⁵ is an apocalyptic number.

699375 is a deficient number, since it is larger than the sum of its proper divisors (469001).

699375 is an equidigital number, since it uses as much as digits as its factorization.

699375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 381 counting only the distinct ones).

The product of its digits is 51030, while the sum is 39.

The square root of 699375 is about 836.2864341839. The cubic root of 699375 is about 88.7639665912.

The spelling of 699375 in words is "six hundred ninety-nine thousand, three hundred seventy-five".