97381149 has 16 divisors (see below), whose sum is σ = 135992832. Its totient is φ = 61866288.

The previous prime is 97381147. The next prime is 97381153. The reversal of 97381149 is 94118379.

It is a happy number.

It is not a de Polignac number, because 97381149 - 2¹ = 97381147 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 97381149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97381147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17034 + ... + 22020.

It is an arithmetic number, because the mean of its divisors is an integer number (8499552).

Almost surely, 2^97381149 is an apocalyptic number.

It is an amenable number.

97381149 is a deficient number, since it is larger than the sum of its proper divisors (38611683).

97381149 is a wasteful number, since it uses less digits than its factorization.

97381149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296.

The product of its digits is 54432, while the sum is 42.

The square root of 97381149 is about 9868.1887395813. The cubic root of 97381149 is about 460.0711121945.

The spelling of 97381149 in words is "ninety-seven million, three hundred eighty-one thousand, one hundred forty-nine".