97439955 has 8 divisors (see below), whose sum is σ = 155903952. Its totient is φ = 51967968.

The previous prime is 97439939. The next prime is 97439963. The reversal of 97439955 is 55993479.

It is a happy number.

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

It is not a de Polignac number, because 97439955 - 2⁴ = 97439939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97439898 and 97439907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3247984 + ... + 3248013.

It is an arithmetic number, because the mean of its divisors is an integer number (19487994).

Almost surely, 2^97439955 is an apocalyptic number.

97439955 is a deficient number, since it is larger than the sum of its proper divisors (58463997).

97439955 is a wasteful number, since it uses less digits than its factorization.

97439955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496005.

The product of its digits is 1530900, while the sum is 51.

The square root of 97439955 is about 9871.1678640372. The cubic root of 97439955 is about 460.1637019753.

The spelling of 97439955 in words is "ninety-seven million, four hundred thirty-nine thousand, nine hundred fifty-five".