3506438 has 16 divisors (see below), whose sum is σ = 5706960. Its totient is φ = 1606176.

The previous prime is 3506423. The next prime is 3506479. The reversal of 3506438 is 8346053.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3506438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3653 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (356685).

Almost surely, 2^3506438 is an apocalyptic number.

3506438 is a deficient number, since it is larger than the sum of its proper divisors (2200522).

3506438 is a wasteful number, since it uses less digits than its factorization.

3506438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3506438 is about 1872.5485307463. The cubic root of 3506438 is about 151.9224847146.

It can be divided in two parts, 3506 and 438, that multiplied together give a triangular number (1535628 = T₁₇₅₂).

The spelling of 3506438 in words is "three million, five hundred six thousand, four hundred thirty-eight".