1906412 has 6 divisors (see below), whose sum is σ = 3336228. Its totient is φ = 953204.

The previous prime is 1906393. The next prime is 1906417. The reversal of 1906412 is 2146091.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1906417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238298 + ... + 238305.

It is an arithmetic number, because the mean of its divisors is an integer number (556038).

2^1906412 is an apocalyptic number.

It is an amenable number.

1906412 is a deficient number, since it is larger than the sum of its proper divisors (1429816).

1906412 is a wasteful number, since it uses less digits than its factorization.

1906412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476607 (or 476605 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1906412 is about 1380.7287930655. The cubic root of 1906412 is about 123.9954039226.

The spelling of 1906412 in words is "one million, nine hundred six thousand, four hundred twelve".