4691409 has 12 divisors (see below), whose sum is σ = 6359376. Its totient is φ = 3076312.

The previous prime is 4691383. The next prime is 4691413. The reversal of 4691409 is 9041964.

It is not a de Polignac number, because 4691409 - 2⁸ = 4691153 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4691409.

It is not an unprimeable number, because it can be changed into a prime (4691459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20554 + ... + 20780.

It is an arithmetic number, because the mean of its divisors is an integer number (529948).

Almost surely, 2^4691409 is an apocalyptic number.

It is an amenable number.

4691409 is a deficient number, since it is larger than the sum of its proper divisors (1667967).

4691409 is an equidigital number, since it uses as much as digits as its factorization.

4691409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 4691409 is about 2165.9660662162. The cubic root of 4691409 is about 167.4047457220.

The spelling of 4691409 in words is "four million, six hundred ninety-one thousand, four hundred nine".