9091338 has 16 divisors (see below), whose sum is σ = 18212256. Its totient is φ = 3025520.

The previous prime is 9091333. The next prime is 9091343. The reversal of 9091338 is 8331909.

It is an interprime number because it is at equal distance from previous prime (9091333) and next prime (9091343).

It is a junction number, because it is equal to n+sod(n) for n = 9091299 and 9091308.

It is not an unprimeable number, because it can be changed into a prime (9091331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6445 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (1138266).

Almost surely, 2^9091338 is an apocalyptic number.

9091338 is an abundant number, since it is smaller than the sum of its proper divisors (9120918).

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

9091338 is a wasteful number, since it uses less digits than its factorization.

9091338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 9091338 is about 3015.1845714649. The cubic root of 9091338 is about 208.7096844467.

It can be divided in two parts, 90913 and 38, that added together give a triangular number (90951 = T₄₂₆).

The spelling of 9091338 in words is "nine million, ninety-one thousand, three hundred thirty-eight".