3071421 has 6 divisors (see below), whose sum is σ = 4436510. Its totient is φ = 2047608.

The previous prime is 3071381. The next prime is 3071429. The reversal of 3071421 is 1241703.

It can be written as a sum of positive squares in only one way, i.e., 2595321 + 476100 = 1611^2 + 690^2 .

It is not a de Polignac number, because 3071421 - 2¹⁵ = 3038653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3071394 and 3071403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3071429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170626 + ... + 170643.

Almost surely, 2^3071421 is an apocalyptic number.

It is an amenable number.

3071421 is a deficient number, since it is larger than the sum of its proper divisors (1365089).

3071421 is a wasteful number, since it uses less digits than its factorization.

3071421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341275 (or 341272 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 3071421 is about 1752.5470036493. The cubic root of 3071421 is about 145.3605139289.

It can be divided in two parts, 307 and 1421, that added together give a cube (1728 = 12³).

The spelling of 3071421 in words is "three million, seventy-one thousand, four hundred twenty-one".