3405938 has 4 divisors (see below), whose sum is σ = 5108910. Its totient is φ = 1702968.

The previous prime is 3405937. The next prime is 3405943. The reversal of 3405938 is 8395043.

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

It can be written as a sum of positive squares in only one way, i.e., 3073009 + 332929 = 1753^2 + 577^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3405931) 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 as a sum of consecutive naturals, namely, 851483 + ... + 851486.

Almost surely, 2^3405938 is an apocalyptic number.

3405938 is a deficient number, since it is larger than the sum of its proper divisors (1702972).

3405938 is a wasteful number, since it uses less digits than its factorization.

3405938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702971.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3405938 is about 1845.5183553679. The cubic root of 3405938 is about 150.4569473215.

The spelling of 3405938 in words is "three million, four hundred five thousand, nine hundred thirty-eight".