972038902 has 4 divisors (see below), whose sum is σ = 1458058356. Its totient is φ = 486019450.

The previous prime is 972038891. The next prime is 972038911. The reversal of 972038902 is 209830279.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243009724 + ... + 243009727.

It is an arithmetic number, because the mean of its divisors is an integer number (364514589).

Almost surely, 2^972038902 is an apocalyptic number.

972038902 is a deficient number, since it is larger than the sum of its proper divisors (486019454).

972038902 is a wasteful number, since it uses less digits than its factorization.

972038902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486019453.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 972038902 is about 31177.5384211134. The cubic root of 972038902 is about 990.5913896746.

The spelling of 972038902 in words is "nine hundred seventy-two million, thirty-eight thousand, nine hundred two".