3505438 has 4 divisors (see below), whose sum is σ = 5258160. Its totient is φ = 1752718.

The previous prime is 3505421. The next prime is 3505457. The reversal of 3505438 is 8345053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8345053 = 43 ⋅194071.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 876358 + ... + 876361.

It is an arithmetic number, because the mean of its divisors is an integer number (1314540).

Almost surely, 2^3505438 is an apocalyptic number.

3505438 is a deficient number, since it is larger than the sum of its proper divisors (1752722).

3505438 is a wasteful number, since it uses less digits than its factorization.

3505438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752721.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3505438 is about 1872.2814959295. The cubic root of 3505438 is about 151.9080410988.

The spelling of 3505438 in words is "three million, five hundred five thousand, four hundred thirty-eight".