7061989 has 16 divisors (see below), whose sum is σ = 8146944. Its totient is φ = 6058800.

The previous prime is 7061983. The next prime is 7062007. The reversal of 7061989 is 9891607.

It is not a de Polignac number, because 7061989 - 2³ = 7061981 is a prime.

It is a super-2 number, since 2×7061989² = 99743377272242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7061981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25924 + ... + 26194.

It is an arithmetic number, because the mean of its divisors is an integer number (509184).

Almost surely, 2^7061989 is an apocalyptic number.

It is an amenable number.

7061989 is a deficient number, since it is larger than the sum of its proper divisors (1084955).

7061989 is a wasteful number, since it uses less digits than its factorization.

7061989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 7061989 is about 2657.4403097718. The cubic root of 7061989 is about 191.8561295620.

The spelling of 7061989 in words is "seven million, sixty-one thousand, nine hundred eighty-nine".