1813396088 has 32 divisors (see below), whose sum is σ = 4011202560. Its totient is φ = 752099040.

The previous prime is 1813396063. The next prime is 1813396121. The reversal of 1813396088 is 8806933181.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520556 + ... + 524027.

It is an arithmetic number, because the mean of its divisors is an integer number (125350080).

Almost surely, 2^1813396088 is an apocalyptic number.

It is an amenable number.

1813396088 is an abundant number, since it is smaller than the sum of its proper divisors (2197806472).

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

1813396088 is a wasteful number, since it uses less digits than its factorization.

1813396088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044627 (or 1044623 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 1813396088 is about 42583.9886342273. The cubic root of 1813396088 is about 1219.4506368311.

The spelling of 1813396088 in words is "one billion, eight hundred thirteen million, three hundred ninety-six thousand, eighty-eight".