97923739 has 8 divisors (see below), whose sum is σ = 104384000. Its totient is φ = 91594152.

The previous prime is 97923677. The next prime is 97923743. The reversal of 97923739 is 93732979.

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 97923739 - 2¹³ = 97915547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97923692 and 97923701.

It is not an unprimeable number, because it can be changed into a prime (97923769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31119 + ... + 34120.

It is an arithmetic number, because the mean of its divisors is an integer number (13048000).

Almost surely, 2^97923739 is an apocalyptic number.

97923739 is a deficient number, since it is larger than the sum of its proper divisors (6460261).

97923739 is a wasteful number, since it uses less digits than its factorization.

97923739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65337.

The product of its digits is 642978, while the sum is 49.

The square root of 97923739 is about 9895.6424248252. The cubic root of 97923739 is about 460.9240075315.

It can be divided in two parts, 9792 and 3739, that added together give a palindrome (13531).

The spelling of 97923739 in words is "ninety-seven million, nine hundred twenty-three thousand, seven hundred thirty-nine".