4642409 has 8 divisors (see below), whose sum is σ = 4799520. Its totient is φ = 4487616.

The previous prime is 4642399. The next prime is 4642423. The reversal of 4642409 is 9042464.

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 4642409 - 2²⁰ = 3593833 is a prime.

It is a super-2 number, since 2×4642409² = 43103922646562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4642459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4097 + ... + 5105.

It is an arithmetic number, because the mean of its divisors is an integer number (599940).

Almost surely, 2^4642409 is an apocalyptic number.

It is an amenable number.

4642409 is a deficient number, since it is larger than the sum of its proper divisors (157111).

4642409 is a wasteful number, since it uses less digits than its factorization.

4642409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 4642409 is about 2154.6250253814. The cubic root of 4642409 is about 166.8198782253.

The spelling of 4642409 in words is "four million, six hundred forty-two thousand, four hundred nine".