2194971 has 8 divisors (see below), whose sum is σ = 2934864. Its totient is φ = 1459200.

The previous prime is 2194967. The next prime is 2194979. The reversal of 2194971 is 1794912.

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

It is not a de Polignac number, because 2194971 - 2² = 2194967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2194979) 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, 571 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (366858).

2^2194971 is an apocalyptic number.

2194971 is a deficient number, since it is larger than the sum of its proper divisors (739893).

2194971 is a wasteful number, since it uses less digits than its factorization.

2194971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061.

The product of its digits is 4536, while the sum is 33.

The square root of 2194971 is about 1481.5434519446. The cubic root of 2194971 is about 129.9599679500.

The spelling of 2194971 in words is "two million, one hundred ninety-four thousand, nine hundred seventy-one".