905021516 has 48 divisors (see below), whose sum is σ = 1860418560. Its totient is φ = 377153280.

The previous prime is 905021501. The next prime is 905021563. The reversal of 905021516 is 615120509.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288605 + ... + 291723.

It is an arithmetic number, because the mean of its divisors is an integer number (38758720).

Almost surely, 2^905021516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 905021516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930209280).

905021516 is an abundant number, since it is smaller than the sum of its proper divisors (955397044).

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

905021516 is a wasteful number, since it uses less digits than its factorization.

905021516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414 (or 3412 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 905021516 is about 30083.5755188774. The cubic root of 905021516 is about 967.2816925381.

The spelling of 905021516 in words is "nine hundred five million, twenty-one thousand, five hundred sixteen".