4521398 has 16 divisors (see below), whose sum is σ = 7941024. Its totient is φ = 1890240.

The previous prime is 4521389. The next prime is 4521403. The reversal of 4521398 is 8931254.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3365 + ... + 4512.

It is an arithmetic number, because the mean of its divisors is an integer number (496314).

Almost surely, 2^4521398 is an apocalyptic number.

4521398 is a deficient number, since it is larger than the sum of its proper divisors (3419626).

4521398 is a wasteful number, since it uses less digits than its factorization.

4521398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7927.

The product of its digits is 8640, while the sum is 32.

The square root of 4521398 is about 2126.3579190720. The cubic root of 4521398 is about 165.3576326076.

The spelling of 4521398 in words is "four million, five hundred twenty-one thousand, three hundred ninety-eight".