4296021 has 16 divisors (see below), whose sum is σ = 5987520. Its totient is φ = 2737280.

The previous prime is 4296013. The next prime is 4296023. The reversal of 4296021 is 1206924.

It is a cyclic number.

It is not a de Polignac number, because 4296021 - 2³ = 4296013 is a prime.

It is a Curzon number.

4296021 is a lucky number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4295982 and 4296000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4296023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6190 + ... + 6848.

It is an arithmetic number, because the mean of its divisors is an integer number (374220).

Almost surely, 2^4296021 is an apocalyptic number.

4296021 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4296021 is a deficient number, since it is larger than the sum of its proper divisors (1691499).

4296021 is a wasteful number, since it uses less digits than its factorization.

4296021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 4296021 is about 2072.6844911853. The cubic root of 4296021 is about 162.5631596691.

The spelling of 4296021 in words is "four million, two hundred ninety-six thousand, twenty-one".