690104535 has 16 divisors (see below), whose sum is σ = 1152175104. Its totient is φ = 352053152.

The previous prime is 690104509. The next prime is 690104587. The reversal of 690104535 is 535401096.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 690104535 - 2¹¹ = 690102487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 690104496 and 690104505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999807 + ... + 1000496.

It is an arithmetic number, because the mean of its divisors is an integer number (72010944).

Almost surely, 2^690104535 is an apocalyptic number.

690104535 is a deficient number, since it is larger than the sum of its proper divisors (462070569).

690104535 is a wasteful number, since it uses less digits than its factorization.

690104535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000334.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 690104535 is about 26269.8407874886. The cubic root of 690104535 is about 883.7002145944.

The spelling of 690104535 in words is "six hundred ninety million, one hundred four thousand, five hundred thirty-five".