3895028280 has 384 divisors, whose sum is σ = 15390648000. Its totient is φ = 841236480.

The previous prime is 3895028243. The next prime is 3895028281. The reversal of 3895028280 is 828205983.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3895028281) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1491616 + ... + 1494224.

Almost surely, 2^3895028280 is an apocalyptic number.

3895028280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3895028280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7695324000).

3895028280 is an abundant number, since it is smaller than the sum of its proper divisors (11495619720).

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

3895028280 is a wasteful number, since it uses less digits than its factorization.

3895028280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 3895028280 is about 62410.1616725994. The cubic root of 3895028280 is about 1573.3917612522.

The spelling of 3895028280 in words is "three billion, eight hundred ninety-five million, twenty-eight thousand, two hundred eighty".