3407878 has 8 divisors (see below), whose sum is σ = 5380920. Its totient is φ = 1614240.

The previous prime is 3407857. The next prime is 3407881. The reversal of 3407878 is 8787043.

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

It is a super-2 number, since 2×3407878² = 23227264925768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44803 + ... + 44878.

It is an arithmetic number, because the mean of its divisors is an integer number (672615).

Almost surely, 2^3407878 is an apocalyptic number.

3407878 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3407878 is a deficient number, since it is larger than the sum of its proper divisors (1973042).

3407878 is a wasteful number, since it uses less digits than its factorization.

3407878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89702.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 3407878 is about 1846.0438781351. The cubic root of 3407878 is about 150.4855083304.

The spelling of 3407878 in words is "three million, four hundred seven thousand, eight hundred seventy-eight".