2158354 has 32 divisors (see below), whose sum is σ = 3888000. Its totient is φ = 887040.

The previous prime is 2158333. The next prime is 2158357. The reversal of 2158354 is 4538512.

It is not an unprimeable number, because it can be changed into a prime (2158357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10747 + ... + 10945.

It is an arithmetic number, because the mean of its divisors is an integer number (121500).

2^2158354 is an apocalyptic number.

2158354 is a deficient number, since it is larger than the sum of its proper divisors (1729646).

2158354 is a wasteful number, since it uses less digits than its factorization.

2158354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258.

The product of its digits is 4800, while the sum is 28.

The square root of 2158354 is about 1469.1337583760. The cubic root of 2158354 is about 129.2332378773.

The spelling of 2158354 in words is "two million, one hundred fifty-eight thousand, three hundred fifty-four".