1906694 has 4 divisors (see below), whose sum is σ = 2860044. Its totient is φ = 953346.

The previous prime is 1906693. The next prime is 1906699. The reversal of 1906694 is 4966091.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476672 + ... + 476675.

It is an arithmetic number, because the mean of its divisors is an integer number (715011).

2^1906694 is an apocalyptic number.

1906694 is a deficient number, since it is larger than the sum of its proper divisors (953350).

1906694 is an equidigital number, since it uses as much as digits as its factorization.

1906694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953349.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1906694 is about 1380.8309092717. The cubic root of 1906694 is about 124.0015174979.

The spelling of 1906694 in words is "one million, nine hundred six thousand, six hundred ninety-four".