3420894 has 16 divisors (see below), whose sum is σ = 6869520. Its totient is φ = 1135680.

The previous prime is 3420877. The next prime is 3420913. The reversal of 3420894 is 4980243.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672 + ... + 2700.

It is an arithmetic number, because the mean of its divisors is an integer number (429345).

Almost surely, 2^3420894 is an apocalyptic number.

3420894 is an abundant number, since it is smaller than the sum of its proper divisors (3448626).

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

3420894 is a wasteful number, since it uses less digits than its factorization.

3420894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3420894 is about 1849.5658950143. The cubic root of 3420894 is about 150.6768523235.

The spelling of 3420894 in words is "three million, four hundred twenty thousand, eight hundred ninety-four".