1940312 has 32 divisors (see below), whose sum is σ = 4205520. Its totient is φ = 829440.

The previous prime is 1940293. The next prime is 1940327. The reversal of 1940312 is 2130491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848 + ... + 2144.

2^1940312 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 1940312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2102760).

1940312 is an abundant number, since it is smaller than the sum of its proper divisors (2265208).

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

1940312 is a wasteful number, since it uses less digits than its factorization.

1940312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1940312 is about 1392.9508246884. The cubic root of 1940312 is about 124.7260560764.

The spelling of 1940312 in words is "one million, nine hundred forty thousand, three hundred twelve".