8064621 has 6 divisors (see below), whose sum is σ = 11648910. Its totient is φ = 5376408.

The previous prime is 8064601. The next prime is 8064653. The reversal of 8064621 is 1264608.

It can be written as a sum of positive squares in only one way, i.e., 7502121 + 562500 = 2739^2 + 750^2 .

It is not a de Polignac number, because 8064621 - 2¹⁰ = 8063597 is a prime.

It is a super-2 number, since 2×8064621² = 130076223747282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8064601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448026 + ... + 448043.

It is an arithmetic number, because the mean of its divisors is an integer number (1941485).

Almost surely, 2^8064621 is an apocalyptic number.

It is an amenable number.

8064621 is a deficient number, since it is larger than the sum of its proper divisors (3584289).

8064621 is a wasteful number, since it uses less digits than its factorization.

8064621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896075 (or 896072 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8064621 is about 2839.8276356145. The cubic root of 8064621 is about 200.5370648492.

The spelling of 8064621 in words is "eight million, sixty-four thousand, six hundred twenty-one".