2846421 has 10 divisors (see below), whose sum is σ = 4252182. Its totient is φ = 1897560.

The previous prime is 2846413. The next prime is 2846479. The reversal of 2846421 is 1246482.

It can be written as a sum of positive squares in only one way, i.e., 2340900 + 505521 = 1530^2 + 711^2 .

It is not a de Polignac number, because 2846421 - 2³ = 2846413 is a prime.

It is a super-2 number, since 2×2846421² = 16204225018482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2846401) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17490 + ... + 17651.

2^2846421 is an apocalyptic number.

It is an amenable number.

2846421 is a deficient number, since it is larger than the sum of its proper divisors (1405761).

2846421 is an equidigital number, since it uses as much as digits as its factorization.

2846421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35153 (or 35144 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 2846421 is about 1687.1339603007. The cubic root of 2846421 is about 141.7206204333.

The spelling of 2846421 in words is "two million, eight hundred forty-six thousand, four hundred twenty-one".