2130394 has 16 divisors (see below), whose sum is σ = 3844800. Its totient is φ = 864864.

The previous prime is 2130391. The next prime is 2130437. The reversal of 2130394 is 4930312.

It is not an unprimeable number, because it can be changed into a prime (2130391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3739 + ... + 4270.

It is an arithmetic number, because the mean of its divisors is an integer number (240300).

2^2130394 is an apocalyptic number.

2130394 is a deficient number, since it is larger than the sum of its proper divisors (1714406).

2130394 is a wasteful number, since it uses less digits than its factorization.

2130394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8037.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2130394 is about 1459.5869278669. The cubic root of 2130394 is about 128.6727679580.

The spelling of 2130394 in words is "two million, one hundred thirty thousand, three hundred ninety-four".