2081958 has 16 divisors (see below), whose sum is σ = 4226880. Its totient is φ = 683496.

The previous prime is 2081927. The next prime is 2081969. The reversal of 2081958 is 8591802.

It is a happy number.

It is a super-2 number, since 2×2081958² = 8669098227528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188 + ... + 2991.

It is an arithmetic number, because the mean of its divisors is an integer number (264180).

2^2081958 is an apocalyptic number.

2081958 is an abundant number, since it is smaller than the sum of its proper divisors (2144922).

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

2081958 is a wasteful number, since it uses less digits than its factorization.

2081958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 2081958 is about 1442.8991648760. The cubic root of 2081958 is about 127.6901277213.

The spelling of 2081958 in words is "two million, eighty-one thousand, nine hundred fifty-eight".