1406943 has 16 divisors (see below), whose sum is σ = 2108160. Its totient is φ = 927288.

The previous prime is 1406939. The next prime is 1406947. The reversal of 1406943 is 3496041.

It is an interprime number because it is at equal distance from previous prime (1406939) and next prime (1406947).

It is not a de Polignac number, because 1406943 - 2² = 1406939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2646 + ... + 3132.

It is an arithmetic number, because the mean of its divisors is an integer number (131760).

2^1406943 is an apocalyptic number.

1406943 is a deficient number, since it is larger than the sum of its proper divisors (701217).

1406943 is a wasteful number, since it uses less digits than its factorization.

1406943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1406943 is about 1186.1462810295. The cubic root of 1406943 is about 112.0535192771.

The spelling of 1406943 in words is "one million, four hundred six thousand, nine hundred forty-three".