3887490042 has 12 divisors (see below), whose sum is σ = 8422895130. Its totient is φ = 1295830008.

The previous prime is 3887490029. The next prime is 3887490067. The reversal of 3887490042 is 2400947883.

It can be written as a sum of positive squares in only one way, i.e., 2853803241 + 1033686801 = 53421^2 + 32151^2 .

It is a super-2 number, since 2×3887490042² = 30225157653298323528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3887490042.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107985817 + ... + 107985852.

Almost surely, 2^3887490042 is an apocalyptic number.

3887490042 is an abundant number, since it is smaller than the sum of its proper divisors (4535405088).

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

3887490042 is a wasteful number, since it uses less digits than its factorization.

3887490042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215971677 (or 215971674 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 3887490042 is about 62349.7397107638. The cubic root of 3887490042 is about 1572.3760851634.

The spelling of 3887490042 in words is "three billion, eight hundred eighty-seven million, four hundred ninety thousand, forty-two".