3451385 has 16 divisors (see below), whose sum is σ = 4887552. Its totient is φ = 2289600.

The previous prime is 3451379. The next prime is 3451387. The reversal of 3451385 is 5831543.

It is not a de Polignac number, because 3451385 - 2⁶ = 3451321 is a prime.

It is a super-3 number, since 3×3451385³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3451387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (305472).

Almost surely, 2^3451385 is an apocalyptic number.

3451385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3451385 is a deficient number, since it is larger than the sum of its proper divisors (1436167).

3451385 is a wasteful number, since it uses less digits than its factorization.

3451385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224.

The product of its digits is 7200, while the sum is 29.

The square root of 3451385 is about 1857.7903541573. The cubic root of 3451385 is about 151.1231981433.

The spelling of 3451385 in words is "three million, four hundred fifty-one thousand, three hundred eighty-five".