9091398960 has 160 divisors (see below), whose sum is σ = 35788423680. Its totient is φ = 2078030592.

The previous prime is 9091398949. The next prime is 9091398971. The reversal of 9091398960 is 698931909.

It is an interprime number because it is at equal distance from previous prime (9091398949) and next prime (9091398971).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 9091398897 and 9091398906.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285522 + ... + 315761.

It is an arithmetic number, because the mean of its divisors is an integer number (223677648).

Almost surely, 2^9091398960 is an apocalyptic number.

9091398960 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9091398960 is an abundant number, since it is smaller than the sum of its proper divisors (26697024720).

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

9091398960 is a wasteful number, since it uses less digits than its factorization.

9091398960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601312 (or 601300 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 54.

The square root of 9091398960 is about 95348.8277851385. The cubic root of 9091398960 is about 2087.1015093156.

The spelling of 9091398960 in words is "nine billion, ninety-one million, three hundred ninety-eight thousand, nine hundred sixty".