3894295040 has 40 divisors (see below), whose sum is σ = 9337186980. Its totient is φ = 1557716992.

The previous prime is 3894295037. The next prime is 3894295057. The reversal of 3894295040 is 405924983.

It can be written as a sum of positive squares in 2 ways, for example, as 3694694656 + 199600384 = 60784^2 + 14128^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3894294982 and 3894295000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758045 + ... + 763164.

Almost surely, 2^3894295040 is an apocalyptic number.

It is an amenable number.

3894295040 is an abundant number, since it is smaller than the sum of its proper divisors (5442891940).

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

3894295040 is an equidigital number, since it uses as much as digits as its factorization.

3894295040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521232 (or 1521216 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 3894295040 is about 62404.2870322224. The cubic root of 3894295040 is about 1573.2930245985.

The spelling of 3894295040 in words is "three billion, eight hundred ninety-four million, two hundred ninety-five thousand, forty".