2116958 has 4 divisors (see below), whose sum is σ = 3175440. Its totient is φ = 1058478.

The previous prime is 2116957. The next prime is 2116967. The reversal of 2116958 is 8596112.

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

It is a super-2 number, since 2×2116958² = 8963022347528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529238 + ... + 529241.

It is an arithmetic number, because the mean of its divisors is an integer number (793860).

2^2116958 is an apocalyptic number.

2116958 is a deficient number, since it is larger than the sum of its proper divisors (1058482).

2116958 is a wasteful number, since it uses less digits than its factorization.

2116958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058481.

The product of its digits is 4320, while the sum is 32.

The square root of 2116958 is about 1454.9769757628. The cubic root of 2116958 is about 128.4016921844.

The spelling of 2116958 in words is "two million, one hundred sixteen thousand, nine hundred fifty-eight".