402343000 has 32 divisors (see below), whose sum is σ = 941484960. Its totient is φ = 160936800.

The previous prime is 402342977. The next prime is 402343001. The reversal of 402343000 is 343204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402343001) 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, 200172 + ... + 202171.

It is an arithmetic number, because the mean of its divisors is an integer number (29421405).

Almost surely, 2^402343000 is an apocalyptic number.

402343000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402343000 is an abundant number, since it is smaller than the sum of its proper divisors (539141960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402343000 is a wasteful number, since it uses less digits than its factorization.

402343000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402364 (or 402350 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 402343000 is about 20058.4894745342. The cubic root of 402343000 is about 738.2421142389.

Adding to 402343000 its reverse (343204), we get a palindrome (402686204).

It can be divided in two parts, 40234 and 3000, that added together give a palindrome (43234).

The spelling of 402343000 in words is "four hundred two million, three hundred forty-three thousand".