7098091 has 24 divisors (see below), whose sum is σ = 9710064. Its totient is φ = 5100480.

The previous prime is 7098079. The next prime is 7098097. The reversal of 7098091 is 1908907.

It is not a de Polignac number, because 7098091 - 2¹⁷ = 6967019 is a prime.

It is an Ulam number.

7098091 is a lucky number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (7098097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6501 + ... + 7513.

It is an arithmetic number, because the mean of its divisors is an integer number (404586).

Almost surely, 2^7098091 is an apocalyptic number.

7098091 is a deficient number, since it is larger than the sum of its proper divisors (2611973).

7098091 is a wasteful number, since it uses less digits than its factorization.

7098091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 7098091 is about 2664.2242773460. The cubic root of 7098091 is about 192.1825069450.

The spelling of 7098091 in words is "seven million, ninety-eight thousand, ninety-one".