3172260 has 144 divisors (see below), whose sum is σ = 11261376. Its totient is φ = 661248.

The previous prime is 3172243. The next prime is 3172271. The reversal of 3172260 is 622713.

3172260 = T₇ + T₈ + ... + T₂₆₆.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38179 + ... + 38261.

It is an arithmetic number, because the mean of its divisors is an integer number (78204).

Almost surely, 2^3172260 is an apocalyptic number.

3172260 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 3172260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5630688).

3172260 is an abundant number, since it is smaller than the sum of its proper divisors (8089116).

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

3172260 is a wasteful number, since it uses less digits than its factorization.

3172260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3172260 is about 1781.0839396278. The cubic root of 3172260 is about 146.9342109236.

Adding to 3172260 its reverse (622713), we get a palindrome (3794973).

The spelling of 3172260 in words is "three million, one hundred seventy-two thousand, two hundred sixty".