7198061 has 16 divisors (see below), whose sum is σ = 8176560. Its totient is φ = 6289920.

The previous prime is 7198043. The next prime is 7198067. The reversal of 7198061 is 1608917.

7198061 = T₃₈ + T₃₉ + ... + T₃₅₀.

It can be written as a sum of positive squares in 8 ways, for example, as 3976036 + 3222025 = 1994^2 + 1795^2 .

It is not a de Polignac number, because 7198061 - 2²² = 3003757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7198067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22841 + ... + 23153.

It is an arithmetic number, because the mean of its divisors is an integer number (511035).

Almost surely, 2^7198061 is an apocalyptic number.

It is an amenable number.

7198061 is a deficient number, since it is larger than the sum of its proper divisors (978499).

7198061 is a wasteful number, since it uses less digits than its factorization.

7198061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 7198061 is about 2682.9202373533. The cubic root of 7198061 is about 193.0805412545.

The spelling of 7198061 in words is "seven million, one hundred ninety-eight thousand, sixty-one".