905854420 has 12 divisors (see below), whose sum is σ = 1902294324. Its totient is φ = 362341760.

The previous prime is 905854399. The next prime is 905854421. The reversal of 905854420 is 24458509.

It can be written as a sum of positive squares in 2 ways, for example, as 548871184 + 356983236 = 23428^2 + 18894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 905854420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905854421) 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, 22646341 + ... + 22646380.

It is an arithmetic number, because the mean of its divisors is an integer number (158524527).

Almost surely, 2^905854420 is an apocalyptic number.

It is an amenable number.

905854420 is an abundant number, since it is smaller than the sum of its proper divisors (996439904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

905854420 is a wasteful number, since it uses less digits than its factorization.

905854420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45292730 (or 45292728 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 905854420 is about 30097.4155036608. The cubic root of 905854420 is about 967.5783358597.

The spelling of 905854420 in words is "nine hundred five million, eight hundred fifty-four thousand, four hundred twenty".