690828096 has 56 divisors (see below), whose sum is σ = 2088936640. Its totient is φ = 197379072.

The previous prime is 690828077. The next prime is 690828097.

690828096 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690828097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255661 + ... + 258348.

It is an arithmetic number, because the mean of its divisors is an integer number (37302440).

Almost surely, 2^690828096 is an apocalyptic number.

It is an amenable number.

690828096 is an abundant number, since it is smaller than the sum of its proper divisors (1398108544).

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

690828096 is a wasteful number, since it uses less digits than its factorization.

690828096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514031 (or 514021 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 690828096 is about 26283.6088846262. The cubic root of 690828096 is about 884.0089541349.

The spelling of 690828096 in words is "six hundred ninety million, eight hundred twenty-eight thousand, ninety-six".