1986049094 has 8 divisors (see below), whose sum is σ = 2979390000. Its totient is φ = 992919096.

The previous prime is 1986049073. The next prime is 1986049099. The reversal of 1986049094 is 4909406891.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1986049099) 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, 26594 + ... + 68405.

It is an arithmetic number, because the mean of its divisors is an integer number (372423750).

Almost surely, 2^1986049094 is an apocalyptic number.

1986049094 is a deficient number, since it is larger than the sum of its proper divisors (993340906).

1986049094 is a wasteful number, since it uses less digits than its factorization.

1986049094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105454.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 1986049094 is about 44565.1107257684. The cubic root of 1986049094 is about 1256.9847051405.

The spelling of 1986049094 in words is "one billion, nine hundred eighty-six million, forty-nine thousand, ninety-four".