8391952 has 10 divisors (see below), whose sum is σ = 16259438. Its totient is φ = 4195968.

The previous prime is 8391949. The next prime is 8391959. The reversal of 8391952 is 2591938.

It can be written as a sum of positive squares in only one way, i.e., 5308416 + 3083536 = 2304^2 + 1756^2 .

It is not an unprimeable number, because it can be changed into a prime (8391959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262233 + ... + 262264.

Almost surely, 2^8391952 is an apocalyptic number.

It is an amenable number.

8391952 is a deficient number, since it is larger than the sum of its proper divisors (7867486).

8391952 is a wasteful number, since it uses less digits than its factorization.

8391952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524505 (or 524499 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 8391952 is about 2896.8866046154. The cubic root of 8391952 is about 203.2143303180.

The spelling of 8391952 in words is "eight million, three hundred ninety-one thousand, nine hundred fifty-two".