2117474 has 16 divisors (see below), whose sum is σ = 3382080. Its totient is φ = 991440.

The previous prime is 2117461. The next prime is 2117477. The reversal of 2117474 is 4747112.

It is a super-2 number, since 2×2117474² = 8967392281352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117477) 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, 3644 + ... + 4184.

It is an arithmetic number, because the mean of its divisors is an integer number (211380).

2^2117474 is an apocalyptic number.

2117474 is a deficient number, since it is larger than the sum of its proper divisors (1264606).

2117474 is a wasteful number, since it uses less digits than its factorization.

2117474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665.

The product of its digits is 1568, while the sum is 26.

The square root of 2117474 is about 1455.1542873524. The cubic root of 2117474 is about 128.4121238022.

The spelling of 2117474 in words is "two million, one hundred seventeen thousand, four hundred seventy-four".