9270391028 has 12 divisors (see below), whose sum is σ = 16226495712. Its totient is φ = 4634249400.

The previous prime is 9270391021. The next prime is 9270391037. The reversal of 9270391028 is 8201930729.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9270391021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214250 + ... + 253857.

It is an arithmetic number, because the mean of its divisors is an integer number (1352207976).

Almost surely, 2^9270391028 is an apocalyptic number.

It is an amenable number.

9270391028 is a deficient number, since it is larger than the sum of its proper divisors (6956104684).

9270391028 is a wasteful number, since it uses less digits than its factorization.

9270391028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473062 (or 473060 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 9270391028 is about 96282.8698575193. The cubic root of 9270391028 is about 2100.7095884727.

The spelling of 9270391028 in words is "nine billion, two hundred seventy million, three hundred ninety-one thousand, twenty-eight".