7933149 has 18 divisors (see below), whose sum is σ = 13330590. Its totient is φ = 4532976.

The previous prime is 7933139. The next prime is 7933151. The reversal of 7933149 is 9413397.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 480249 = 2730^2 + 693^2 .

It is not a de Polignac number, because 7933149 - 2⁷ = 7933021 is a prime.

7933149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7933109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8554 + ... + 9435.

Almost surely, 2^7933149 is an apocalyptic number.

It is an amenable number.

7933149 is a deficient number, since it is larger than the sum of its proper divisors (5397441).

7933149 is a wasteful number, since it uses less digits than its factorization.

7933149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18009 (or 17999 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 7933149 is about 2816.5846339139. The cubic root of 7933149 is about 199.4413493334.

It can be divided in two parts, 7 and 933149, that added together give a square (933156 = 966²).

The spelling of 7933149 in words is "seven million, nine hundred thirty-three thousand, one hundred forty-nine".