1985027934 has 24 divisors (see below), whose sum is σ = 3988410840. Its totient is φ = 658621792.

The previous prime is 1985027879. The next prime is 1985027951. The reversal of 1985027934 is 4397205891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1789372 + ... + 1790480.

It is an arithmetic number, because the mean of its divisors is an integer number (166183785).

Almost surely, 2^1985027934 is an apocalyptic number.

1985027934 is an abundant number, since it is smaller than the sum of its proper divisors (2003382906).

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

1985027934 is an equidigital number, since it uses as much as digits as its factorization.

1985027934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 1985027934 is about 44553.6523082003. The cubic root of 1985027934 is about 1256.7692350463.

The spelling of 1985027934 in words is "one billion, nine hundred eighty-five million, twenty-seven thousand, nine hundred thirty-four".