4287961428 has 12 divisors (see below), whose sum is σ = 10005243360. Its totient is φ = 1429320472.

The previous prime is 4287961427. The next prime is 4287961451. The reversal of 4287961428 is 8241697824.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4287961428² = 36773226416031598368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287961421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178665048 + ... + 178665071.

It is an arithmetic number, because the mean of its divisors is an integer number (833770280).

Almost surely, 2^4287961428 is an apocalyptic number.

It is an amenable number.

4287961428 is an abundant number, since it is smaller than the sum of its proper divisors (5717281932).

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

4287961428 is a wasteful number, since it uses less digits than its factorization.

4287961428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357330126 (or 357330124 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 4287961428 is about 65482.5276543293. The cubic root of 4287961428 is about 1624.6143688318.

The spelling of 4287961428 in words is "four billion, two hundred eighty-seven million, nine hundred sixty-one thousand, four hundred twenty-eight".