6698403 has 8 divisors (see below), whose sum is σ = 9923600. Its totient is φ = 4465584.

The previous prime is 6698389. The next prime is 6698413. The reversal of 6698403 is 3048966.

It is not a de Polignac number, because 6698403 - 2⁶ = 6698339 is a prime.

It is a Duffinian number.

6698403 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6698413) 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, 124018 + ... + 124071.

It is an arithmetic number, because the mean of its divisors is an integer number (1240450).

Almost surely, 2^6698403 is an apocalyptic number.

6698403 is a deficient number, since it is larger than the sum of its proper divisors (3225197).

6698403 is a wasteful number, since it uses less digits than its factorization.

6698403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248098 (or 248092 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6698403 is about 2588.1273152610. The cubic root of 6698403 is about 188.5053834532.

The spelling of 6698403 in words is "six million, six hundred ninety-eight thousand, four hundred three".