690034000 has 40 divisors (see below), whose sum is σ = 1668507048. Its totient is φ = 276012800.

The previous prime is 690033989. The next prime is 690034027. The reversal of 690034000 is 430096.

It can be written as a sum of positive squares in 4 ways, for example, as 151979584 + 538054416 = 12328^2 + 23196^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×690034000² = 952293842312000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170509 + ... + 174508.

Almost surely, 2^690034000 is an apocalyptic number.

It is an amenable number.

690034000 is an abundant number, since it is smaller than the sum of its proper divisors (978473048).

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

690034000 is a wasteful number, since it uses less digits than its factorization.

690034000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345040 (or 345024 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 690034000 is about 26268.4982440946. The cubic root of 690034000 is about 883.6701061518.

Adding to 690034000 its reverse (430096), we get a palindrome (690464096).

The spelling of 690034000 in words is "six hundred ninety million, thirty-four thousand".