4462921 has 2 divisors, whose sum is σ = 4462922. Its totient is φ = 4462920.

The previous prime is 4462919. The next prime is 4462949. The reversal of 4462921 is 1292644.

It is an a-pointer prime, because the next prime (4462949) can be obtained adding 4462921 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3370896 + 1092025 = 1836^2 + 1045^2 .

It is a cyclic number.

It is not a de Polignac number, because 4462921 - 2¹ = 4462919 is a prime.

Together with 4462919, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4462921.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4462951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2231460 + 2231461.

It is an arithmetic number, because the mean of its divisors is an integer number (2231461).

Almost surely, 2^4462921 is an apocalyptic number.

It is an amenable number.

4462921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4462921 is an equidigital number, since it uses as much as digits as its factorization.

4462921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 4462921 is about 2112.5626617925. The cubic root of 4462921 is about 164.6416588167.

The spelling of 4462921 in words is "four million, four hundred sixty-two thousand, nine hundred twenty-one".