3440838 has 8 divisors (see below), whose sum is σ = 6881688. Its totient is φ = 1146944.

The previous prime is 3440819. The next prime is 3440839. The reversal of 3440838 is 8380443.

It is a sphenic number, since it is the product of 3 distinct primes.

3440838 is an admirable number.

It is a super-2 number, since 2×3440838² = 23678732284488, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286731 + ... + 286742.

It is an arithmetic number, because the mean of its divisors is an integer number (860211).

Almost surely, 2^3440838 is an apocalyptic number.

3440838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3440838 is a wasteful number, since it uses less digits than its factorization.

3440838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573478.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 3440838 is about 1854.9495950025. The cubic root of 3440838 is about 150.9691032205.

It can be divided in two parts, 3440 and 838, that added together give a triangular number (4278 = T₉₂).

The spelling of 3440838 in words is "three million, four hundred forty thousand, eight hundred thirty-eight".