3438406 has 4 divisors (see below), whose sum is σ = 5157612. Its totient is φ = 1719202.

The previous prime is 3438397. The next prime is 3438419. The reversal of 3438406 is 6048343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6048343 = 7 ⋅864049.

It is a plaindrome in base 12.

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, 859600 + ... + 859603.

It is an arithmetic number, because the mean of its divisors is an integer number (1289403).

Almost surely, 2^3438406 is an apocalyptic number.

3438406 is a deficient number, since it is larger than the sum of its proper divisors (1719206).

3438406 is a wasteful number, since it uses less digits than its factorization.

3438406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719205.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 3438406 is about 1854.2939357071. The cubic root of 3438406 is about 150.9335262868.

It can be divided in two parts, 3438 and 406, that added together give a square (3844 = 62²).

The spelling of 3438406 in words is "three million, four hundred thirty-eight thousand, four hundred six".