387789486 has 32 divisors (see below), whose sum is σ = 892339200. Its totient is φ = 110051616.

The previous prime is 387789481. The next prime is 387789497. The reversal of 387789486 is 684987783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387789481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24726 + ... + 37241.

It is an arithmetic number, because the mean of its divisors is an integer number (27885600).

Almost surely, 2^387789486 is an apocalyptic number.

387789486 is an abundant number, since it is smaller than the sum of its proper divisors (504549714).

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

387789486 is a wasteful number, since it uses less digits than its factorization.

387789486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62128.

The product of its digits is 16257024, while the sum is 60.

The square root of 387789486 is about 19692.3712640200. The cubic root of 387789486 is about 729.2313708778.

The spelling of 387789486 in words is "three hundred eighty-seven million, seven hundred eighty-nine thousand, four hundred eighty-six".