3406620 has 48 divisors (see below), whose sum is σ = 10902528. Its totient is φ = 778560.

The previous prime is 3406619. The next prime is 3406631. The reversal of 3406620 is 266043.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3636 + ... + 4475.

It is an arithmetic number, because the mean of its divisors is an integer number (227136).

Almost surely, 2^3406620 is an apocalyptic number.

3406620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3406620 is an abundant number, since it is smaller than the sum of its proper divisors (7495908).

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

3406620 is a wasteful number, since it uses less digits than its factorization.

3406620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130 (or 8128 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3406620 is about 1845.7031180556. The cubic root of 3406620 is about 150.4669890770.

The spelling of 3406620 in words is "three million, four hundred six thousand, six hundred twenty".