4293988146 has 64 divisors (see below), whose sum is σ = 11546876160. Its totient is φ = 1154684160.

The previous prime is 4293988141. The next prime is 4293988177. The reversal of 4293988146 is 6418893924.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 4293988092 and 4293988101.

It is not an unprimeable number, because it can be changed into a prime (4293988141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327685 + ... + 340536.

It is an arithmetic number, because the mean of its divisors is an integer number (180419940).

Almost surely, 2^4293988146 is an apocalyptic number.

4293988146 is an abundant number, since it is smaller than the sum of its proper divisors (7252888014).

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

4293988146 is a wasteful number, since it uses less digits than its factorization.

4293988146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668256 (or 668250 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 4293988146 is about 65528.5292525324. The cubic root of 4293988146 is about 1625.3751428643.

The spelling of 4293988146 in words is "four billion, two hundred ninety-three million, nine hundred eighty-eight thousand, one hundred forty-six".