4266921 has 8 divisors (see below), whose sum is σ = 5707744. Its totient is φ = 2835360.

The previous prime is 4266907. The next prime is 4266943. The reversal of 4266921 is 1296624.

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

It is not a de Polignac number, because 4266921 - 2¹⁰ = 4265897 is a prime.

It is a super-2 number, since 2×4266921² = 36413229640482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4266961) 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, 1156 + ... + 3141.

It is an arithmetic number, because the mean of its divisors is an integer number (713468).

Almost surely, 2^4266921 is an apocalyptic number.

It is an amenable number.

4266921 is a deficient number, since it is larger than the sum of its proper divisors (1440823).

4266921 is a wasteful number, since it uses less digits than its factorization.

4266921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631.

The product of its digits is 5184, while the sum is 30.

The square root of 4266921 is about 2065.6526813576. The cubic root of 4266921 is about 162.1952758736.

The spelling of 4266921 in words is "four million, two hundred sixty-six thousand, nine hundred twenty-one".