516091284 has 48 divisors (see below), whose sum is σ = 1341034240. Its totient is φ = 171642240.

The previous prime is 516091271. The next prime is 516091291. The reversal of 516091284 is 482190615.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 44844 + ... + 55164.

Almost surely, 2^516091284 is an apocalyptic number.

516091284 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

516091284 is an abundant number, since it is smaller than the sum of its proper divisors (824942956).

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

516091284 is a wasteful number, since it uses less digits than its factorization.

516091284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10797 (or 10789 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 516091284 is about 22717.6425713585. The cubic root of 516091284 is about 802.1252263502.

The spelling of 516091284 in words is "five hundred sixteen million, ninety-one thousand, two hundred eighty-four".