4577421 has 8 divisors (see below), whose sum is σ = 6164064. Its totient is φ = 3021200.

The previous prime is 4577413. The next prime is 4577431. The reversal of 4577421 is 1247754.

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

It is a cyclic number.

It is not a de Polignac number, because 4577421 - 2³ = 4577413 is a prime.

It is a super-2 number, since 2×4577421² = 41905566022482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4577411) 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 7 ways as a sum of consecutive naturals, for example, 7251 + ... + 7856.

It is an arithmetic number, because the mean of its divisors is an integer number (770508).

Almost surely, 2^4577421 is an apocalyptic number.

It is an amenable number.

4577421 is a deficient number, since it is larger than the sum of its proper divisors (1586643).

4577421 is a wasteful number, since it uses less digits than its factorization.

4577421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15211.

The product of its digits is 7840, while the sum is 30.

The square root of 4577421 is about 2139.4908272764. The cubic root of 4577421 is about 166.0377932046.

The spelling of 4577421 in words is "four million, five hundred seventy-seven thousand, four hundred twenty-one".