3451869 has 16 divisors (see below), whose sum is σ = 5150400. Its totient is φ = 2284848.

The previous prime is 3451859. The next prime is 3451871. The reversal of 3451869 is 9681543.

It is not a de Polignac number, because 3451869 - 2¹¹ = 3449821 is a prime.

It is a super-2 number, since 2×3451869² = 23830799186322, which contains 22 as substring.

It is a Curzon number.

3451869 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3451829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4302 + ... + 5040.

It is an arithmetic number, because the mean of its divisors is an integer number (321900).

Almost surely, 2^3451869 is an apocalyptic number.

It is an amenable number.

3451869 is a deficient number, since it is larger than the sum of its proper divisors (1698531).

3451869 is a wasteful number, since it uses less digits than its factorization.

3451869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 915 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3451869 is about 1857.9206118669. The cubic root of 3451869 is about 151.1302619944.

The spelling of 3451869 in words is "three million, four hundred fifty-one thousand, eight hundred sixty-nine".