3406778 has 8 divisors (see below), whose sum is σ = 5196960. Its totient is φ = 1674460.

The previous prime is 3406763. The next prime is 3406801. The reversal of 3406778 is 8776043.

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

It is a super-2 number, since 2×3406778² = 23212272682568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14318 + ... + 14553.

It is an arithmetic number, because the mean of its divisors is an integer number (649620).

Almost surely, 2^3406778 is an apocalyptic number.

3406778 is a deficient number, since it is larger than the sum of its proper divisors (1790182).

3406778 is a wasteful number, since it uses less digits than its factorization.

3406778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28932.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 3406778 is about 1845.7459196758. The cubic root of 3406778 is about 150.4693152749.

The spelling of 3406778 in words is "three million, four hundred six thousand, seven hundred seventy-eight".