4197870 has 24 divisors (see below), whose sum is σ = 10914696. Its totient is φ = 1119408.

The previous prime is 4197857. The next prime is 4197871. The reversal of 4197870 is 787914.

It is a super-2 number, since 2×4197870² = 35244225073800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4197871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23232 + ... + 23411.

It is an arithmetic number, because the mean of its divisors is an integer number (454779).

Almost surely, 2^4197870 is an apocalyptic number.

4197870 is an abundant number, since it is smaller than the sum of its proper divisors (6716826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4197870 is a wasteful number, since it uses less digits than its factorization.

4197870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46656 (or 46653 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 4197870 is about 2048.8704205000. The cubic root of 4197870 is about 161.3155853633.

The spelling of 4197870 in words is "four million, one hundred ninety-seven thousand, eight hundred seventy".