2693421 has 18 divisors (see below), whose sum is σ = 4110990. Its totient is φ = 1699056.

The previous prime is 2693393. The next prime is 2693441. The reversal of 2693421 is 1243962.

It can be written as a sum of positive squares in only one way, i.e., 2368521 + 324900 = 1539^2 + 570^2 .

It is not a de Polignac number, because 2693421 - 2⁵ = 2693389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2693441) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2835 + ... + 3663.

2^2693421 is an apocalyptic number.

It is an amenable number.

2693421 is a deficient number, since it is larger than the sum of its proper divisors (1417569).

2693421 is a wasteful number, since it uses less digits than its factorization.

2693421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 851 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2693421 is about 1641.1645255732. The cubic root of 2693421 is about 139.1344729735.

The spelling of 2693421 in words is "two million, six hundred ninety-three thousand, four hundred twenty-one".