2190094 has 4 divisors (see below), whose sum is σ = 3285144. Its totient is φ = 1095046.

The previous prime is 2190091. The next prime is 2190103. The reversal of 2190094 is 4900912.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547522 + ... + 547525.

It is an arithmetic number, because the mean of its divisors is an integer number (821286).

2^2190094 is an apocalyptic number.

2190094 is a deficient number, since it is larger than the sum of its proper divisors (1095050).

2190094 is a wasteful number, since it uses less digits than its factorization.

2190094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095049.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2190094 is about 1479.8966180109. The cubic root of 2190094 is about 129.8636440095.

It can be divided in two parts, 2 and 190094, that added together give a square (190096 = 436²).

The spelling of 2190094 in words is "two million, one hundred ninety thousand, ninety-four".