402132843 has 40 divisors (see below), whose sum is σ = 688224768. Its totient is φ = 229224816.

The previous prime is 402132839. The next prime is 402132847. The reversal of 402132843 is 348231204.

It is an interprime number because it is at equal distance from previous prime (402132839) and next prime (402132847).

It is not a de Polignac number, because 402132843 - 2² = 402132839 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (402132847) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 364030 + ... + 365132.

Almost surely, 2^402132843 is an apocalyptic number.

402132843 is a deficient number, since it is larger than the sum of its proper divisors (286091925).

402132843 is a wasteful number, since it uses less digits than its factorization.

402132843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765 (or 1756 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 402132843 is about 20053.2501854438. The cubic root of 402132843 is about 738.1135557962.

It can be divided in two parts, 4021 and 32843, that added together give a square (36864 = 192²).

The spelling of 402132843 in words is "four hundred two million, one hundred thirty-two thousand, eight hundred forty-three".