903069990 has 96 divisors (see below), whose sum is σ = 2432581632. Its totient is φ = 232200000.

The previous prime is 903069983. The next prime is 903069991. The reversal of 903069990 is 99960309.

903069990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (903069991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1202115 + ... + 1202865.

It is an arithmetic number, because the mean of its divisors is an integer number (25339392).

Almost surely, 2^903069990 is an apocalyptic number.

903069990 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 903069990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216290816).

903069990 is an abundant number, since it is smaller than the sum of its proper divisors (1529511642).

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

903069990 is a wasteful number, since it uses less digits than its factorization.

903069990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1223 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The square root of 903069990 is about 30051.1229407488. The cubic root of 903069990 is about 966.5859323511.

The spelling of 903069990 in words is "nine hundred three million, sixty-nine thousand, nine hundred ninety".