3498779 has 4 divisors (see below), whose sum is σ = 3503160. Its totient is φ = 3494400.

The previous prime is 3498773. The next prime is 3498797. The reversal of 3498779 is 9778943.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3498779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3498773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614 + ... + 2715.

It is an arithmetic number, because the mean of its divisors is an integer number (875790).

Almost surely, 2^3498779 is an apocalyptic number.

3498779 is a deficient number, since it is larger than the sum of its proper divisors (4381).

3498779 is a wasteful number, since it uses less digits than its factorization.

3498779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380.

The product of its digits is 381024, while the sum is 47.

The square root of 3498779 is about 1870.5023389453. The cubic root of 3498779 is about 151.8117909444.

The spelling of 3498779 in words is "three million, four hundred ninety-eight thousand, seven hundred seventy-nine".