853904901 has 16 divisors (see below), whose sum is σ = 1164175488. Its totient is φ = 556564800.

The previous prime is 853904899. The next prime is 853904903. The reversal of 853904901 is 109409358.

It is an interprime number because it is at equal distance from previous prime (853904899) and next prime (853904903).

It is not a de Polignac number, because 853904901 - 2¹ = 853904899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 853904901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853904903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16591 + ... + 44531.

It is an arithmetic number, because the mean of its divisors is an integer number (72760968).

Almost surely, 2^853904901 is an apocalyptic number.

It is an amenable number.

853904901 is a deficient number, since it is larger than the sum of its proper divisors (310270587).

853904901 is a wasteful number, since it uses less digits than its factorization.

853904901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28172.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 853904901 is about 29221.6512367115. The cubic root of 853904901 is about 948.7166053087.

The spelling of 853904901 in words is "eight hundred fifty-three million, nine hundred four thousand, nine hundred one".