1887066849 has 8 divisors (see below), whose sum is σ = 2522428480. Its totient is φ = 1254874896.

The previous prime is 1887066823. The next prime is 1887066889. The reversal of 1887066849 is 9486607881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1887066849 - 2⁸ = 1887066593 is a prime.

It is a super-2 number, since 2×1887066849² = 7122042585189577602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1887066889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791029 + ... + 793410.

It is an arithmetic number, because the mean of its divisors is an integer number (315303560).

Almost surely, 2^1887066849 is an apocalyptic number.

It is an amenable number.

1887066849 is a deficient number, since it is larger than the sum of its proper divisors (635361631).

1887066849 is a wasteful number, since it uses less digits than its factorization.

1887066849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584839.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 1887066849 is about 43440.3826985905. The cubic root of 1887066849 is about 1235.7456634384.

The spelling of 1887066849 in words is "one billion, eight hundred eighty-seven million, sixty-six thousand, eight hundred forty-nine".