2196451 has 8 divisors (see below), whose sum is σ = 2376000. Its totient is φ = 2022528.

The previous prime is 2196449. The next prime is 2196473. The reversal of 2196451 is 1546912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2196451 - 2¹ = 2196449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2196401) 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, 576 + ... + 2173.

It is an arithmetic number, because the mean of its divisors is an integer number (297000).

2^2196451 is an apocalyptic number.

2196451 is a deficient number, since it is larger than the sum of its proper divisors (179549).

2196451 is a wasteful number, since it uses less digits than its factorization.

2196451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813.

The product of its digits is 2160, while the sum is 28.

The square root of 2196451 is about 1482.0428468840. The cubic root of 2196451 is about 129.9891706956.

It can be divided in two parts, 219 and 6451, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 2196451 in words is "two million, one hundred ninety-six thousand, four hundred fifty-one".