8450397 has 12 divisors (see below), whose sum is σ = 12627420. Its totient is φ = 5439168.

The previous prime is 8450381. The next prime is 8450399. The reversal of 8450397 is 7930548.

It can be written as a sum of positive squares in 2 ways, for example, as 4968441 + 3481956 = 2229^2 + 1866^2 .

It is not a de Polignac number, because 8450397 - 2⁴ = 8450381 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8450399) 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 11 ways as a sum of consecutive naturals, for example, 15928 + ... + 16449.

It is an arithmetic number, because the mean of its divisors is an integer number (1052285).

Almost surely, 2^8450397 is an apocalyptic number.

8450397 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

8450397 is a deficient number, since it is larger than the sum of its proper divisors (4177023).

8450397 is a wasteful number, since it uses less digits than its factorization.

8450397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32412 (or 32409 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 8450397 is about 2906.9566560236. The cubic root of 8450397 is about 203.6849953846.

The spelling of 8450397 in words is "eight million, four hundred fifty thousand, three hundred ninety-seven".