9774149 has 16 divisors (see below), whose sum is σ = 12718080. Its totient is φ = 7283760.

The previous prime is 9774143. The next prime is 9774173. The reversal of 9774149 is 9414779.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-9774149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9774143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989 + ... + 4530.

It is an arithmetic number, because the mean of its divisors is an integer number (794880).

Almost surely, 2^9774149 is an apocalyptic number.

It is an amenable number.

9774149 is a deficient number, since it is larger than the sum of its proper divisors (2943931).

9774149 is a wasteful number, since it uses less digits than its factorization.

9774149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560.

The product of its digits is 63504, while the sum is 41.

The square root of 9774149 is about 3126.3635425203. The cubic root of 9774149 is about 213.8091654782.

The spelling of 9774149 in words is "nine million, seven hundred seventy-four thousand, one hundred forty-nine".