905451484 has 24 divisors (see below), whose sum is σ = 1917427680. Its totient is φ = 365223936.

The previous prime is 905451451. The next prime is 905451497. The reversal of 905451484 is 484154509.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950629 + ... + 951580.

It is an arithmetic number, because the mean of its divisors is an integer number (79892820).

Almost surely, 2^905451484 is an apocalyptic number.

It is an amenable number.

905451484 is an abundant number, since it is smaller than the sum of its proper divisors (1011976196).

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

905451484 is a wasteful number, since it uses less digits than its factorization.

905451484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902237 (or 1902235 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 905451484 is about 30090.7208953192. The cubic root of 905451484 is about 967.4348507122.

It can be divided in two parts, 90545 and 1484, that added together give a palindrome (92029).

The spelling of 905451484 in words is "nine hundred five million, four hundred fifty-one thousand, four hundred eighty-four".