1803485090 has 32 divisors (see below), whose sum is σ = 3569301504. Its totient is φ = 650643840.

The previous prime is 1803485087. The next prime is 1803485179. The reversal of 1803485090 is 905843081.

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, 50579 + ... + 78518.

It is an arithmetic number, because the mean of its divisors is an integer number (111540672).

Almost surely, 2^1803485090 is an apocalyptic number.

1803485090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1803485090 is a deficient number, since it is larger than the sum of its proper divisors (1765816414).

1803485090 is a wasteful number, since it uses less digits than its factorization.

1803485090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129242.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1803485090 is about 42467.4591893605. The cubic root of 1803485090 is about 1217.2249678468.

The spelling of 1803485090 in words is "one billion, eight hundred three million, four hundred eighty-five thousand, ninety".