6402930 has 32 divisors (see below), whose sum is σ = 15660864. Its totient is φ = 1674816.

The previous prime is 6402923. The next prime is 6402937. The reversal of 6402930 is 392046.

6402930 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6402923) and next prime (6402937).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6402930.

It is not an unprimeable number, because it can be changed into a prime (6402937) 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, 424 + ... + 3603.

It is an arithmetic number, because the mean of its divisors is an integer number (489402).

Almost surely, 2^6402930 is an apocalyptic number.

6402930 is an abundant number, since it is smaller than the sum of its proper divisors (9257934).

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

6402930 is a wasteful number, since it uses less digits than its factorization.

6402930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 6402930 is about 2530.4011539675. The cubic root of 6402930 is about 185.6918820537.

Adding to 6402930 its reverse (392046), we get a palindrome (6794976).

It can be divided in two parts, 640 and 2930, that added together give a triangular number (3570 = T₈₄).

The spelling of 6402930 in words is "six million, four hundred two thousand, nine hundred thirty".