3499980 has 48 divisors (see below), whose sum is σ = 10692864. Its totient is φ = 848320.

The previous prime is 3499973. The next prime is 3499999. The reversal of 3499980 is 899943.

It is a plaindrome in base 16.

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, 1992 + ... + 3311.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

Almost surely, 2^3499980 is an apocalyptic number.

3499980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3499980 is an abundant number, since it is smaller than the sum of its proper divisors (7192884).

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

3499980 is a wasteful number, since it uses less digits than its factorization.

3499980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326 (or 5324 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 3499980 is about 1870.8233481545. The cubic root of 3499980 is about 151.8291593943.

The spelling of 3499980 in words is "three million, four hundred ninety-nine thousand, nine hundred eighty".