1402943 has 2 divisors, whose sum is σ = 1402944. Its totient is φ = 1402942.

The previous prime is 1402937. The next prime is 1402957. The reversal of 1402943 is 3492041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402943 - 2¹² = 1398847 is a prime.

It is a super-2 number, since 2×1402943² = 3936498122498, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701471 + 701472.

It is an arithmetic number, because the mean of its divisors is an integer number (701472).

2^1402943 is an apocalyptic number.

1402943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402943 is an equidigital number, since it uses as much as digits as its factorization.

1402943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1402943 is about 1184.4589482122. The cubic root of 1402943 is about 111.9472274768.

Adding to 1402943 its reverse (3492041), we get a palindrome (4894984).

The spelling of 1402943 in words is "one million, four hundred two thousand, nine hundred forty-three".