4298921 has 16 divisors (see below), whose sum is σ = 5026560. Its totient is φ = 3635280.

The previous prime is 4298887. The next prime is 4298927. The reversal of 4298921 is 1298924.

It is not a de Polignac number, because 4298921 - 2⁶ = 4298857 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4298927) 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, 13850 + ... + 14156.

It is an arithmetic number, because the mean of its divisors is an integer number (314160).

Almost surely, 2^4298921 is an apocalyptic number.

It is an amenable number.

4298921 is a deficient number, since it is larger than the sum of its proper divisors (727639).

4298921 is a wasteful number, since it uses less digits than its factorization.

4298921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its digits is 10368, while the sum is 35.

The square root of 4298921 is about 2073.3839490070. The cubic root of 4298921 is about 162.5997304962.

The spelling of 4298921 in words is "four million, two hundred ninety-eight thousand, nine hundred twenty-one".