973390397 has 8 divisors (see below), whose sum is σ = 1112684352. Its totient is φ = 834156000.

The previous prime is 973390393. The next prime is 973390399. The reversal of 973390397 is 793093379.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 973390397 - 2² = 973390393 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 (973390393) 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 7 ways as a sum of consecutive naturals, for example, 28622 + ... + 52592.

It is an arithmetic number, because the mean of its divisors is an integer number (139085544).

Almost surely, 2^973390397 is an apocalyptic number.

It is an amenable number.

973390397 is a deficient number, since it is larger than the sum of its proper divisors (139293955).

973390397 is a wasteful number, since it uses less digits than its factorization.

973390397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29779.

The product of its (nonzero) digits is 964467, while the sum is 50.

The square root of 973390397 is about 31199.2050700014. The cubic root of 973390397 is about 991.0502736827.

The spelling of 973390397 in words is "nine hundred seventy-three million, three hundred ninety thousand, three hundred ninety-seven".