1906942 has 8 divisors (see below), whose sum is σ = 2888496. Its totient is φ = 944112.

The previous prime is 1906909. The next prime is 1906963. The reversal of 1906942 is 2496091.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4423 + ... + 4834.

It is an arithmetic number, because the mean of its divisors is an integer number (361062).

2^1906942 is an apocalyptic number.

1906942 is a deficient number, since it is larger than the sum of its proper divisors (981554).

1906942 is a wasteful number, since it uses less digits than its factorization.

1906942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1906942 is about 1380.9207073543. The cubic root of 1906942 is about 124.0068934773.

The spelling of 1906942 in words is "one million, nine hundred six thousand, nine hundred forty-two".