2117434 has 16 divisors (see below), whose sum is σ = 3500640. Its totient is φ = 952560.

The previous prime is 2117431. The next prime is 2117441. The reversal of 2117434 is 4347112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2117431) 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, 1957 + ... + 2839.

It is an arithmetic number, because the mean of its divisors is an integer number (218790).

2^2117434 is an apocalyptic number.

2117434 is a deficient number, since it is larger than the sum of its proper divisors (1383206).

2117434 is a wasteful number, since it uses less digits than its factorization.

2117434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005.

The product of its digits is 672, while the sum is 22.

The square root of 2117434 is about 1455.1405430404. The cubic root of 2117434 is about 128.4113152103.

The spelling of 2117434 in words is "two million, one hundred seventeen thousand, four hundred thirty-four".