3887490039 has 4 divisors (see below), whose sum is σ = 5183320056. Its totient is φ = 2591660024.

The previous prime is 3887490029. The next prime is 3887490067. The reversal of 3887490039 is 9300947883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9300947883 = 3 ⋅3100315961.

It is a cyclic number.

It is not a de Polignac number, because 3887490039 - 2²¹ = 3885392887 is a prime.

It is a super-2 number, since 2×3887490039² = 30225157606648443042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3887489973 and 3887490000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887490029) 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, 647915004 + ... + 647915009.

It is an arithmetic number, because the mean of its divisors is an integer number (1295830014).

Almost surely, 2^3887490039 is an apocalyptic number.

3887490039 is a deficient number, since it is larger than the sum of its proper divisors (1295830017).

3887490039 is a wasteful number, since it uses less digits than its factorization.

3887490039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295830016.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 3887490039 is about 62349.7396867060. The cubic root of 3887490039 is about 1572.3760847590.

The spelling of 3887490039 in words is "three billion, eight hundred eighty-seven million, four hundred ninety thousand, thirty-nine".