3400866 has 40 divisors (see below), whose sum is σ = 8712000. Its totient is φ = 971352.

The previous prime is 3400847. The next prime is 3400877. The reversal of 3400866 is 6680043.

3400866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 366 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (217800).

Almost surely, 2^3400866 is an apocalyptic number.

3400866 is an abundant number, since it is smaller than the sum of its proper divisors (5311134).

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

3400866 is a wasteful number, since it uses less digits than its factorization.

3400866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020 (or 3011 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 3400866 is about 1844.1437037281. The cubic root of 3400866 is about 150.3822251987.

The spelling of 3400866 in words is "three million, four hundred thousand, eight hundred sixty-six".