3420518 has 8 divisors (see below), whose sum is σ = 5139120. Its totient is φ = 1707480.

The previous prime is 3420517. The next prime is 3420523. The reversal of 3420518 is 8150243.

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

It is a junction number, because it is equal to n+sod(n) for n = 3420493 and 3420502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420517) 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, 908 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (642390).

Almost surely, 2^3420518 is an apocalyptic number.

3420518 is a deficient number, since it is larger than the sum of its proper divisors (1718602).

3420518 is a wasteful number, since it uses less digits than its factorization.

3420518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3420518 is about 1849.4642467482. The cubic root of 3420518 is about 150.6713316835.

The spelling of 3420518 in words is "three million, four hundred twenty thousand, five hundred eighteen".