3437405 has 4 divisors (see below), whose sum is σ = 4124892. Its totient is φ = 2749920.

The previous prime is 3437393. The next prime is 3437407. The reversal of 3437405 is 5047343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 458329 + 2979076 = 677^2 + 1726^2 .

It is not a de Polignac number, because 3437405 - 2⁸ = 3437149 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 (3437407) 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 3 ways as a sum of consecutive naturals, for example, 343736 + ... + 343745.

It is an arithmetic number, because the mean of its divisors is an integer number (1031223).

Almost surely, 2^3437405 is an apocalyptic number.

It is an amenable number.

3437405 is a deficient number, since it is larger than the sum of its proper divisors (687487).

3437405 is an equidigital number, since it uses as much as digits as its factorization.

3437405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687486.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 3437405 is about 1854.0240020021. The cubic root of 3437405 is about 150.9188781113.

The spelling of 3437405 in words is "three million, four hundred thirty-seven thousand, four hundred five".