1940331 has 8 divisors (see below), whose sum is σ = 2606544. Its totient is φ = 1283840.

The previous prime is 1940327. The next prime is 1940339. The reversal of 1940331 is 1330491.

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

It is a cyclic number.

It is not a de Polignac number, because 1940331 - 2² = 1940327 is a prime.

It is a super-2 number, since 2×1940331² = 7529768779122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1940298 and 1940307.

It is not an unprimeable number, because it can be changed into a prime (1940339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1950 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (325818).

2^1940331 is an apocalyptic number.

1940331 is a deficient number, since it is larger than the sum of its proper divisors (666213).

1940331 is a wasteful number, since it uses less digits than its factorization.

1940331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1940331 is about 1392.9576447258. The cubic root of 1940331 is about 124.7264631909.

The spelling of 1940331 in words is "one million, nine hundred forty thousand, three hundred thirty-one".