903129380 has 12 divisors (see below), whose sum is σ = 1896571740. Its totient is φ = 361251744.

The previous prime is 903129377. The next prime is 903129433. The reversal of 903129380 is 83921309.

It can be written as a sum of positive squares in 2 ways, for example, as 94750756 + 808378624 = 9734^2 + 28432^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 903129380.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22578215 + ... + 22578254.

It is an arithmetic number, because the mean of its divisors is an integer number (158047645).

Almost surely, 2^903129380 is an apocalyptic number.

It is an amenable number.

903129380 is an abundant number, since it is smaller than the sum of its proper divisors (993442360).

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

903129380 is a wasteful number, since it uses less digits than its factorization.

903129380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45156478 (or 45156476 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 903129380 is about 30052.1110739329. Note that the first 3 decimals coincide. The cubic root of 903129380 is about 966.6071209192.

The spelling of 903129380 in words is "nine hundred three million, one hundred twenty-nine thousand, three hundred eighty".