690254 has 8 divisors (see below), whose sum is σ = 1040040. Its totient is φ = 343576.

The previous prime is 690233. The next prime is 690259. The reversal of 690254 is 452096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104 + ... + 1179.

It is an arithmetic number, because the mean of its divisors is an integer number (130005).

2⁶⁹⁰²⁵⁴ is an apocalyptic number.

690254 is a deficient number, since it is larger than the sum of its proper divisors (349786).

690254 is a wasteful number, since it uses less digits than its factorization.

690254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 690254 is about 830.8152622575. The cubic root of 690254 is about 88.3764008175.

The spelling of 690254 in words is "six hundred ninety thousand, two hundred fifty-four".