1906966 has 4 divisors (see below), whose sum is σ = 2860452. Its totient is φ = 953482.

The previous prime is 1906963. The next prime is 1906969. The reversal of 1906966 is 6696091.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1906963) and next prime (1906969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476740 + ... + 476743.

It is an arithmetic number, because the mean of its divisors is an integer number (715113).

2^1906966 is an apocalyptic number.

1906966 is a deficient number, since it is larger than the sum of its proper divisors (953486).

1906966 is an equidigital number, since it uses as much as digits as its factorization.

1906966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953485.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 1906966 is about 1380.9293971815. The cubic root of 1906966 is about 124.0074137087.

The spelling of 1906966 in words is "one million, nine hundred six thousand, nine hundred sixty-six".