3421516 has 24 divisors (see below), whose sum is σ = 6924960. Its totient is φ = 1448832.

The previous prime is 3421513. The next prime is 3421531. The reversal of 3421516 is 6151243.

It is not an unprimeable number, because it can be changed into a prime (3421513) 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, 1806 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (288540).

Almost surely, 2^3421516 is an apocalyptic number.

It is an amenable number.

3421516 is an abundant number, since it is smaller than the sum of its proper divisors (3503444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3421516 is a wasteful number, since it uses less digits than its factorization.

3421516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473 (or 1471 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 3421516 is about 1849.7340349358. The cubic root of 3421516 is about 150.6859839834.

Adding to 3421516 its reverse (6151243), we get a palindrome (9572759).

The spelling of 3421516 in words is "three million, four hundred twenty-one thousand, five hundred sixteen".