690364 has 12 divisors (see below), whose sum is σ = 1220184. Its totient is φ = 341744.

The previous prime is 690341. The next prime is 690367. The reversal of 690364 is 463096.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690367) 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, 379 + ... + 1234.

It is an arithmetic number, because the mean of its divisors is an integer number (101682).

2⁶⁹⁰³⁶⁴ is an apocalyptic number.

It is an amenable number.

690364 is a deficient number, since it is larger than the sum of its proper divisors (529820).

690364 is a wasteful number, since it uses less digits than its factorization.

690364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 1722 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 690364 is about 830.8814596559. The cubic root of 690364 is about 88.3810951705.

The spelling of 690364 in words is "six hundred ninety thousand, three hundred sixty-four".