1027923890 has 32 divisors (see below), whose sum is σ = 2116520064. Its totient is φ = 352108800.

The previous prime is 1027923881. The next prime is 1027923929. The reversal of 1027923890 is 983297201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77957 + ... + 90183.

It is an arithmetic number, because the mean of its divisors is an integer number (66141252).

Almost surely, 2^1027923890 is an apocalyptic number.

1027923890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1027923890 is an abundant number, since it is smaller than the sum of its proper divisors (1088596174).

1027923890 is a wasteful number, since it uses less digits than its factorization.

1027923890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13442.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1027923890 is about 32061.2521589535. The cubic root of 1027923890 is about 1009.2226446745. Note that the first 3 decimals are identical.

The spelling of 1027923890 in words is "one billion, twenty-seven million, nine hundred twenty-three thousand, eight hundred ninety".