3499860 has 96 divisors (see below), whose sum is σ = 12079872. Its totient is φ = 737280.

The previous prime is 3499843. The next prime is 3499871. The reversal of 3499860 is 689943.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5140 + ... + 5780.

It is an arithmetic number, because the mean of its divisors is an integer number (125832).

Almost surely, 2^3499860 is an apocalyptic number.

3499860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3499860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6039936).

3499860 is an abundant number, since it is smaller than the sum of its proper divisors (8580012).

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

3499860 is a wasteful number, since it uses less digits than its factorization.

3499860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 3499860 is about 1870.7912764389. The cubic root of 3499860 is about 151.8274241741.

The spelling of 3499860 in words is "three million, four hundred ninety-nine thousand, eight hundred sixty".