3407838 has 32 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 949440.

The previous prime is 3407813. The next prime is 3407851. The reversal of 3407838 is 8387043.

It is a super-2 number, since 2×3407838² = 23226719668488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3407799 and 3407808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733 + ... + 2711.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

Almost surely, 2^3407838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3407838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991680).

3407838 is an abundant number, since it is smaller than the sum of its proper divisors (4575522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3407838 is a wasteful number, since it uses less digits than its factorization.

3407838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 3407838 is about 1846.0330441246. The cubic root of 3407838 is about 150.4849195531.

Subtracting from 3407838 its product of nonzero digits (16128), we obtain a triangular number (3391710 = T₂₆₀₄).

The spelling of 3407838 in words is "three million, four hundred seven thousand, eight hundred thirty-eight".