1906492 has 36 divisors (see below), whose sum is σ = 3964464. Its totient is φ = 799680.

The previous prime is 1906481. The next prime is 1906511. The reversal of 1906492 is 2946091.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13848 + ... + 13984.

It is an arithmetic number, because the mean of its divisors is an integer number (110124).

2^1906492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1906492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1982232).

1906492 is an abundant number, since it is smaller than the sum of its proper divisors (2057972).

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

1906492 is a wasteful number, since it uses less digits than its factorization.

1906492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 217 counting only the distinct ones).

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

The square root of 1906492 is about 1380.7577629693. The cubic root of 1906492 is about 123.9971383315.

The spelling of 1906492 in words is "one million, nine hundred six thousand, four hundred ninety-two".