905420052 has 24 divisors (see below), whose sum is σ = 2347385600. Its totient is φ = 301806648.

The previous prime is 905420023. The next prime is 905420063. The reversal of 905420052 is 250024509.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 905419998 and 905420025.

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, 4191652 + ... + 4191867.

Almost surely, 2^905420052 is an apocalyptic number.

It is an amenable number.

905420052 is an abundant number, since it is smaller than the sum of its proper divisors (1441965548).

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

905420052 is a wasteful number, since it uses less digits than its factorization.

905420052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383532 (or 8383524 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 905420052 is about 30090.1986035320. The cubic root of 905420052 is about 967.4236560155.

The spelling of 905420052 in words is "nine hundred five million, four hundred twenty thousand, fifty-two".