2697421 has 8 divisors (see below), whose sum is σ = 2772000. Its totient is φ = 2623920.

The previous prime is 2697419. The next prime is 2697437. The reversal of 2697421 is 1247962.

It is the 671-st star number.

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 2697421 - 2¹ = 2697419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2697451) 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, 7555 + ... + 7903.

It is an arithmetic number, because the mean of its divisors is an integer number (346500).

2^2697421 is an apocalyptic number.

It is an amenable number.

2697421 is a deficient number, since it is larger than the sum of its proper divisors (74579).

2697421 is a wasteful number, since it uses less digits than its factorization.

2697421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539.

The product of its digits is 6048, while the sum is 31.

The square root of 2697421 is about 1642.3827203183. The cubic root of 2697421 is about 139.2033151157.

The spelling of 2697421 in words is "two million, six hundred ninety-seven thousand, four hundred twenty-one".