3249870 has 48 divisors (see below), whose sum is σ = 8458992. Its totient is φ = 798720.

The previous prime is 3249863. The next prime is 3249871. The reversal of 3249870 is 789423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3249871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4750 + ... + 5390.

It is an arithmetic number, because the mean of its divisors is an integer number (176229).

Almost surely, 2^3249870 is an apocalyptic number.

3249870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3249870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4229496).

3249870 is an abundant number, since it is smaller than the sum of its proper divisors (5209122).

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

3249870 is a wasteful number, since it uses less digits than its factorization.

3249870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 3249870 is about 1802.7395818587. The cubic root of 3249870 is about 148.1228283967.

The spelling of 3249870 in words is "three million, two hundred forty-nine thousand, eight hundred seventy".