3499820 has 12 divisors (see below), whose sum is σ = 7349664. Its totient is φ = 1399920.

The previous prime is 3499799. The next prime is 3499823. The reversal of 3499820 is 289943.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3499823) 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, 87476 + ... + 87515.

It is an arithmetic number, because the mean of its divisors is an integer number (612472).

Almost surely, 2^3499820 is an apocalyptic number.

It is an amenable number.

3499820 is an abundant number, since it is smaller than the sum of its proper divisors (3849844).

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

3499820 is a wasteful number, since it uses less digits than its factorization.

3499820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175000 (or 174998 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3499820 is about 1870.7805857449. The cubic root of 3499820 is about 151.8268457586.

The spelling of 3499820 in words is "three million, four hundred ninety-nine thousand, eight hundred twenty".