690036 has 12 divisors (see below), whose sum is σ = 1610112. Its totient is φ = 230008.

The previous prime is 689987. The next prime is 690037. The reversal of 690036 is 630096.

690036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×690036² = 952299362592, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 689988 and 690015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690037) by changing a digit.

690036 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28740 + ... + 28763.

It is an arithmetic number, because the mean of its divisors is an integer number (134176).

2⁶⁹⁰⁰³⁶ is an apocalyptic number.

It is an amenable number.

690036 is an abundant number, since it is smaller than the sum of its proper divisors (920076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690036 is a wasteful number, since it uses less digits than its factorization.

690036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57510 (or 57508 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 690036 is about 830.6840554627. The cubic root of 690036 is about 88.3670959896.

The spelling of 690036 in words is "six hundred ninety thousand, thirty-six".