1033890372 has 24 divisors (see below), whose sum is σ = 2680456800. Its totient is φ = 344630088.

The previous prime is 1033890367. The next prime is 1033890391. The reversal of 1033890372 is 2730983301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 4786422 + ... + 4786637.

It is an arithmetic number, because the mean of its divisors is an integer number (111685700).

Almost surely, 2^1033890372 is an apocalyptic number.

1033890372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1033890372 is an abundant number, since it is smaller than the sum of its proper divisors (1646566428).

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

1033890372 is a wasteful number, since it uses less digits than its factorization.

1033890372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573072 (or 9573064 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1033890372 is about 32154.1657021295. The cubic root of 1033890372 is about 1011.1715229944.

The spelling of 1033890372 in words is "one billion, thirty-three million, eight hundred ninety thousand, three hundred seventy-two".