97939903 has 4 divisors (see below), whose sum is σ = 98070040. Its totient is φ = 97809768.

The previous prime is 97939901. The next prime is 97939909. The reversal of 97939903 is 30993979.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30993979 = 113 ⋅274283.

It is a cyclic number.

It is not a de Polignac number, because 97939903 - 2¹ = 97939901 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 (97939901) 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, 63933 + ... + 65446.

It is an arithmetic number, because the mean of its divisors is an integer number (24517510).

Almost surely, 2^97939903 is an apocalyptic number.

97939903 is a deficient number, since it is larger than the sum of its proper divisors (130137).

97939903 is a wasteful number, since it uses less digits than its factorization.

97939903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130136.

The product of its (nonzero) digits is 413343, while the sum is 49.

The square root of 97939903 is about 9896.4591142489. The cubic root of 97939903 is about 460.9493672854.

The spelling of 97939903 in words is "ninety-seven million, nine hundred thirty-nine thousand, nine hundred three".