3420551 has 8 divisors (see below), whose sum is σ = 3655680. Its totient is φ = 3190968.

The previous prime is 3420533. The next prime is 3420563. The reversal of 3420551 is 1550243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3420551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420581) 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, 71 + ... + 2616.

It is an arithmetic number, because the mean of its divisors is an integer number (456960).

Almost surely, 2^3420551 is an apocalyptic number.

3420551 is a deficient number, since it is larger than the sum of its proper divisors (235129).

3420551 is a wasteful number, since it uses less digits than its factorization.

3420551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 3420551 is about 1849.4731682293. The cubic root of 3420551 is about 150.6718162240.

Adding to 3420551 its reverse (1550243), we get a palindrome (4970794).

The spelling of 3420551 in words is "three million, four hundred twenty thousand, five hundred fifty-one".