8420601 has 12 divisors (see below), whose sum is σ = 13060752. Its totient is φ = 4811688.

The previous prime is 8420597. The next prime is 8420603. The reversal of 8420601 is 1060248.

8420601 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8420601 - 2² = 8420597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (8420603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28495 + ... + 28788.

It is an arithmetic number, because the mean of its divisors is an integer number (1088396).

Almost surely, 2^8420601 is an apocalyptic number.

It is an amenable number.

8420601 is a deficient number, since it is larger than the sum of its proper divisors (4640151).

8420601 is a wasteful number, since it uses less digits than its factorization.

8420601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57300 (or 57293 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 8420601 is about 2901.8271830004. The cubic root of 8420601 is about 203.4453164993.

Adding to 8420601 its reverse (1060248), we get a palindrome (9480849).

The spelling of 8420601 in words is "eight million, four hundred twenty thousand, six hundred one".