97849381 has 8 divisors (see below), whose sum is σ = 114428864. Its totient is φ = 81920160.

The previous prime is 97849369. The next prime is 97849387. The reversal of 97849381 is 18394879.

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 97849381 - 2¹³ = 97841189 is a prime.

It is a super-2 number, since 2×97849381² = 19149002724166322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97849387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162240 + ... + 162841.

It is an arithmetic number, because the mean of its divisors is an integer number (14303608).

Almost surely, 2^97849381 is an apocalyptic number.

It is an amenable number.

97849381 is a deficient number, since it is larger than the sum of its proper divisors (16579483).

97849381 is a wasteful number, since it uses less digits than its factorization.

97849381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325131.

The product of its digits is 435456, while the sum is 49.

The square root of 97849381 is about 9891.8846030471. The cubic root of 97849381 is about 460.8073110543.

The spelling of 97849381 in words is "ninety-seven million, eight hundred forty-nine thousand, three hundred eighty-one".