2117974 has 8 divisors (see below), whose sum is σ = 3183480. Its totient is φ = 1056816.

The previous prime is 2117971. The next prime is 2117977. The reversal of 2117974 is 4797112.

It is an interprime number because it is at equal distance from previous prime (2117971) and next prime (2117977).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762 + ... + 2194.

It is an arithmetic number, because the mean of its divisors is an integer number (397935).

2^2117974 is an apocalyptic number.

2117974 is a deficient number, since it is larger than the sum of its proper divisors (1065506).

2117974 is a wasteful number, since it uses less digits than its factorization.

2117974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174.

The product of its digits is 3528, while the sum is 31.

The square root of 2117974 is about 1455.3260802995. The cubic root of 2117974 is about 128.4222303425.

The spelling of 2117974 in words is "two million, one hundred seventeen thousand, nine hundred seventy-four".