8438901 has 4 divisors (see below), whose sum is σ = 11251872. Its totient is φ = 5625932.

The previous prime is 8438863. The next prime is 8438909. The reversal of 8438901 is 1098348.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8438901 is a prime.

It is a Curzon number.

8438901 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8438909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406481 + ... + 1406486.

It is an arithmetic number, because the mean of its divisors is an integer number (2812968).

Almost surely, 2^8438901 is an apocalyptic number.

It is an amenable number.

8438901 is a deficient number, since it is larger than the sum of its proper divisors (2812971).

8438901 is a wasteful number, since it uses less digits than its factorization.

8438901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812970.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 8438901 is about 2904.9786574087. The cubic root of 8438901 is about 203.5925884701.

It can be divided in two parts, 8438 and 901, that added together give a palindrome (9339).

The spelling of 8438901 in words is "eight million, four hundred thirty-eight thousand, nine hundred one".