2694421 has 2 divisors, whose sum is σ = 2694422. Its totient is φ = 2694420.

The previous prime is 2694413. The next prime is 2694457. The reversal of 2694421 is 1244962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2686321 + 8100 = 1639^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 2694421 - 2³ = 2694413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2694421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2694401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1347210 + 1347211.

It is an arithmetic number, because the mean of its divisors is an integer number (1347211).

2^2694421 is an apocalyptic number.

It is an amenable number.

2694421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2694421 is an equidigital number, since it uses as much as digits as its factorization.

2694421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 2694421 is about 1641.4691590158. The cubic root of 2694421 is about 139.1516898955.

The spelling of 2694421 in words is "two million, six hundred ninety-four thousand, four hundred twenty-one".