2116454 has 4 divisors (see below), whose sum is σ = 3174684. Its totient is φ = 1058226.

The previous prime is 2116447. The next prime is 2116459. The reversal of 2116454 is 4546112.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529112 + ... + 529115.

It is an arithmetic number, because the mean of its divisors is an integer number (793671).

2^2116454 is an apocalyptic number.

2116454 is a deficient number, since it is larger than the sum of its proper divisors (1058230).

2116454 is a wasteful number, since it uses less digits than its factorization.

2116454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058229.

The product of its digits is 960, while the sum is 23.

The square root of 2116454 is about 1454.8037668359. The cubic root of 2116454 is about 128.3915015257.

The spelling of 2116454 in words is "two million, one hundred sixteen thousand, four hundred fifty-four".