2760421 has 2 divisors, whose sum is σ = 2760422. Its totient is φ = 2760420.

The previous prime is 2760403. The next prime is 2760449. The reversal of 2760421 is 1240672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2515396 + 245025 = 1586^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 2760421 - 2⁹ = 2759909 is a prime.

2760421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2760392 and 2760401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2760221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1380210 + 1380211.

It is an arithmetic number, because the mean of its divisors is an integer number (1380211).

2^2760421 is an apocalyptic number.

It is an amenable number.

2760421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2760421 is an equidigital number, since it uses as much as digits as its factorization.

2760421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2760421 is about 1661.4514738625. The cubic root of 2760421 is about 140.2787134736.

The spelling of 2760421 in words is "two million, seven hundred sixty thousand, four hundred twenty-one".