4274921 has 4 divisors (see below), whose sum is σ = 4885632. Its totient is φ = 3664212.

The previous prime is 4274917. The next prime is 4274951. The reversal of 4274921 is 1294724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4274921 - 2² = 4274917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4274911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305345 + ... + 305358.

It is an arithmetic number, because the mean of its divisors is an integer number (1221408).

Almost surely, 2^4274921 is an apocalyptic number.

It is an amenable number.

4274921 is a deficient number, since it is larger than the sum of its proper divisors (610711).

4274921 is an equidigital number, since it uses as much as digits as its factorization.

4274921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610710.

The product of its digits is 4032, while the sum is 29.

The square root of 4274921 is about 2067.5882085174. The cubic root of 4274921 is about 162.2965785945.

The spelling of 4274921 in words is "four million, two hundred seventy-four thousand, nine hundred twenty-one".