821492058 has 16 divisors (see below), whose sum is σ = 1714418496. Its totient is φ = 261924960.

The previous prime is 821492051. The next prime is 821492101. The reversal of 821492058 is 850294128.

It is not an unprimeable number, because it can be changed into a prime (821492051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2976283 + ... + 2976558.

It is an arithmetic number, because the mean of its divisors is an integer number (107151156).

Almost surely, 2^821492058 is an apocalyptic number.

821492058 is an abundant number, since it is smaller than the sum of its proper divisors (892926438).

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

821492058 is a wasteful number, since it uses less digits than its factorization.

821492058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952869.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 821492058 is about 28661.6827489246. The cubic root of 821492058 is about 936.5575222400.

The spelling of 821492058 in words is "eight hundred twenty-one million, four hundred ninety-two thousand, fifty-eight".