690410403 has 12 divisors (see below), whose sum is σ = 998655840. Its totient is φ = 459629136.

The previous prime is 690410387. The next prime is 690410407. The reversal of 690410403 is 304014096.

690410403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 690410403 - 2⁴ = 690410387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690410407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46876 + ... + 59817.

It is an arithmetic number, because the mean of its divisors is an integer number (83221320).

Almost surely, 2^690410403 is an apocalyptic number.

690410403 is a deficient number, since it is larger than the sum of its proper divisors (308245437).

690410403 is a wasteful number, since it uses less digits than its factorization.

690410403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107418 (or 107415 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 690410403 is about 26275.6617994676. The cubic root of 690410403 is about 883.8307531239.

Adding to 690410403 its reverse (304014096), we get a palindrome (994424499).

The spelling of 690410403 in words is "six hundred ninety million, four hundred ten thousand, four hundred three".