2027421 has 12 divisors (see below), whose sum is σ = 3194880. Its totient is φ = 1228680.

The previous prime is 2027411. The next prime is 2027423. The reversal of 2027421 is 1247202.

It is not a de Polignac number, because 2027421 - 2⁹ = 2026909 is a prime.

It is a super-2 number, since 2×2027421² = 8220871822482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2027394 and 2027403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10141 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (266240).

2^2027421 is an apocalyptic number.

It is an amenable number.

2027421 is a deficient number, since it is larger than the sum of its proper divisors (1167459).

2027421 is a wasteful number, since it uses less digits than its factorization.

2027421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20496 (or 20493 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2027421 is about 1423.8753456676. The cubic root of 2027421 is about 126.5652982463.

The spelling of 2027421 in words is "two million, twenty-seven thousand, four hundred twenty-one".