6400152 has 48 divisors (see below), whose sum is σ = 18911880. Its totient is φ = 1939200.

The previous prime is 6400151. The next prime is 6400159. The reversal of 6400152 is 2510046.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3249 + ... + 4832.

Almost surely, 2^6400152 is an apocalyptic number.

It is an amenable number.

6400152 is an abundant number, since it is smaller than the sum of its proper divisors (12511728).

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

6400152 is a wasteful number, since it uses less digits than its factorization.

6400152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104 (or 8097 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 6400152 is about 2529.8521695941. The cubic root of 6400152 is about 185.6650231693.

Adding to 6400152 its reverse (2510046), we get a palindrome (8910198).

The spelling of 6400152 in words is "six million, four hundred thousand, one hundred fifty-two".