2355666 has 8 divisors (see below), whose sum is σ = 4711344. Its totient is φ = 785220.

The previous prime is 2355629. The next prime is 2355671. The reversal of 2355666 is 6665532.

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

2355666 is an admirable number.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196300 + ... + 196311.

It is an arithmetic number, because the mean of its divisors is an integer number (588918).

2^2355666 is an apocalyptic number.

2355666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2355666 is a wasteful number, since it uses less digits than its factorization.

2355666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392616.

The product of its digits is 32400, while the sum is 33.

The square root of 2355666 is about 1534.8179045085. The cubic root of 2355666 is about 133.0570543085.

The spelling of 2355666 in words is "two million, three hundred fifty-five thousand, six hundred sixty-six".