2172976 has 40 divisors (see below), whose sum is σ = 4694144. Its totient is φ = 967680.

The previous prime is 2172967. The next prime is 2172977. The reversal of 2172976 is 6792712.

2172976 = T₁₆₈ + T₁₆₉ + ... + T₂₆₀.

It is not an unprimeable number, because it can be changed into a prime (2172977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6280 + ... + 6616.

2^2172976 is an apocalyptic number.

2172976 is a gapful number since it is divisible by the number (26) 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 2172976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2347072).

2172976 is an abundant number, since it is smaller than the sum of its proper divisors (2521168).

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

2172976 is a wasteful number, since it uses less digits than its factorization.

2172976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 383 counting only the distinct ones).

The product of its digits is 10584, while the sum is 34.

The square root of 2172976 is about 1474.1017603951. The cubic root of 2172976 is about 129.5244161215.

The spelling of 2172976 in words is "two million, one hundred seventy-two thousand, nine hundred seventy-six".