2196471 has 4 divisors (see below), whose sum is σ = 2928632. Its totient is φ = 1464312.

The previous prime is 2196449. The next prime is 2196473. The reversal of 2196471 is 1746912.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2196471 - 2⁶ = 2196407 is a prime.

It is a super-3 number, since 3×2196471³ = 31790523214202985333, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196473) 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, 366076 + ... + 366081.

It is an arithmetic number, because the mean of its divisors is an integer number (732158).

2^2196471 is an apocalyptic number.

2196471 is a deficient number, since it is larger than the sum of its proper divisors (732161).

2196471 is an equidigital number, since it uses as much as digits as its factorization.

2196471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732160.

The product of its digits is 3024, while the sum is 30.

The square root of 2196471 is about 1482.0495943119. The cubic root of 2196471 is about 129.9895652374.

The spelling of 2196471 in words is "two million, one hundred ninety-six thousand, four hundred seventy-one".