3435666 has 32 divisors (see below), whose sum is σ = 7838208. Its totient is φ = 994560.

The previous prime is 3435661. The next prime is 3435673. The reversal of 3435666 is 6665343.

3435666 = 110² + 111² + ... + 226².

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3435661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31 + ... + 2621.

It is an arithmetic number, because the mean of its divisors is an integer number (244944).

Almost surely, 2^3435666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3435666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3919104).

3435666 is an abundant number, since it is smaller than the sum of its proper divisors (4402542).

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

3435666 is a wasteful number, since it uses less digits than its factorization.

3435666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626.

The product of its digits is 38880, while the sum is 33.

The square root of 3435666 is about 1853.5549627675. The cubic root of 3435666 is about 150.8934236188.

The spelling of 3435666 in words is "three million, four hundred thirty-five thousand, six hundred sixty-six".