5402943 has 40 divisors (see below), whose sum is σ = 9947168. Its totient is φ = 2846016.

The previous prime is 5402933. The next prime is 5402977. The reversal of 5402943 is 3492045.

It is not a de Polignac number, because 5402943 - 2⁶ = 5402879 is a prime.

It is a super-2 number, since 2×5402943² = 58383586122498, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7005 + ... + 7737.

Almost surely, 2^5402943 is an apocalyptic number.

5402943 is a deficient number, since it is larger than the sum of its proper divisors (4544225).

5402943 is a wasteful number, since it uses less digits than its factorization.

5402943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 5402943 is about 2324.4231542471. The cubic root of 5402943 is about 175.4729302978.

Adding to 5402943 its reverse (3492045), we get a palindrome (8894988).

The spelling of 5402943 in words is "five million, four hundred two thousand, nine hundred forty-three".