97966403 has 4 divisors (see below), whose sum is σ = 98737920. Its totient is φ = 97194888.

The previous prime is 97966387. The next prime is 97966409. The reversal of 97966403 is 30466979.

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

It is a cyclic number.

It is not a de Polignac number, because 97966403 - 2⁴ = 97966387 is a prime.

It is a super-2 number, since 2×97966403² = 19194832233516818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97966409) 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, 385568 + ... + 385821.

It is an arithmetic number, because the mean of its divisors is an integer number (24684480).

Almost surely, 2^97966403 is an apocalyptic number.

97966403 is a deficient number, since it is larger than the sum of its proper divisors (771517).

97966403 is a wasteful number, since it uses less digits than its factorization.

97966403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771516.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 97966403 is about 9897.7978863988. The cubic root of 97966403 is about 460.9909371880.

The spelling of 97966403 in words is "ninety-seven million, nine hundred sixty-six thousand, four hundred three".