972350039 has 4 divisors (see below), whose sum is σ = 977286024. Its totient is φ = 967414056.

The previous prime is 972350033. The next prime is 972350069. The reversal of 972350039 is 930053279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930053279 = 4021 ⋅231299.

It is a cyclic number.

It is not a de Polignac number, because 972350039 - 2¹² = 972345943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 972349984 and 972350011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972350033) 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, 2467697 + ... + 2468090.

It is an arithmetic number, because the mean of its divisors is an integer number (244321506).

Almost surely, 2^972350039 is an apocalyptic number.

972350039 is a deficient number, since it is larger than the sum of its proper divisors (4935985).

972350039 is a wasteful number, since it uses less digits than its factorization.

972350039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935984.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 972350039 is about 31182.5277840011. The cubic root of 972350039 is about 990.6970702030.

The spelling of 972350039 in words is "nine hundred seventy-two million, three hundred fifty thousand, thirty-nine".