2913421 has 8 divisors (see below), whose sum is σ = 3384704. Its totient is φ = 2455920.

The previous prime is 2913413. The next prime is 2913431. The reversal of 2913421 is 1243192.

2913421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2913421 - 2³ = 2913413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2913392 and 2913401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2913401) 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, 2985 + ... + 3838.

It is an arithmetic number, because the mean of its divisors is an integer number (423088).

2^2913421 is an apocalyptic number.

It is an amenable number.

2913421 is a deficient number, since it is larger than the sum of its proper divisors (471283).

2913421 is an equidigital number, since it uses as much as digits as its factorization.

2913421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6891.

The product of its digits is 432, while the sum is 22.

The square root of 2913421 is about 1706.8746292566. The cubic root of 2913421 is about 142.8239638661.

The spelling of 2913421 in words is "two million, nine hundred thirteen thousand, four hundred twenty-one".