7098021 has 24 divisors (see below), whose sum is σ = 11915904. Its totient is φ = 3987360.

The previous prime is 7098019. The next prime is 7098031. The reversal of 7098021 is 1208907.

It is not a de Polignac number, because 7098021 - 2¹ = 7098019 is a prime.

7098021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7098031) 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, 2920 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (496496).

Almost surely, 2^7098021 is an apocalyptic number.

It is an amenable number.

7098021 is a deficient number, since it is larger than the sum of its proper divisors (4817883).

7098021 is a wasteful number, since it uses less digits than its factorization.

7098021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 7098021 is about 2664.2111402815. The cubic root of 7098021 is about 192.1818751874.

The spelling of 7098021 in words is "seven million, ninety-eight thousand, twenty-one".