3972430589 has 4 divisors (see below), whose sum is σ = 4007584956. Its totient is φ = 3937276224.

The previous prime is 3972430541. The next prime is 3972430607. The reversal of 3972430589 is 9850342793.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 617124964 + 3355305625 = 24842^2 + 57925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3972430589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972430789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17577014 + ... + 17577239.

It is an arithmetic number, because the mean of its divisors is an integer number (1001896239).

Almost surely, 2^3972430589 is an apocalyptic number.

It is an amenable number.

3972430589 is a deficient number, since it is larger than the sum of its proper divisors (35154367).

3972430589 is a wasteful number, since it uses less digits than its factorization.

3972430589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35154366.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 3972430589 is about 63027.2210160023. The cubic root of 3972430589 is about 1583.7456649868.

The spelling of 3972430589 in words is "three billion, nine hundred seventy-two million, four hundred thirty thousand, five hundred eighty-nine".