436143648 has 48 divisors (see below), whose sum is σ = 1146368160. Its totient is φ = 145191936.

The previous prime is 436143629. The next prime is 436143667. The reversal of 436143648 is 846341634.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (436143629) and next prime (436143667).

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84568 + ... + 89576.

It is an arithmetic number, because the mean of its divisors is an integer number (23882670).

Almost surely, 2^436143648 is an apocalyptic number.

436143648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

436143648 is an abundant number, since it is smaller than the sum of its proper divisors (710224512).

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

436143648 is a wasteful number, since it uses less digits than its factorization.

436143648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929 (or 5921 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 436143648 is about 20884.0524803018. The cubic root of 436143648 is about 758.3619196995.

The spelling of 436143648 in words is "four hundred thirty-six million, one hundred forty-three thousand, six hundred forty-eight".