1048447858 has 4 divisors (see below), whose sum is σ = 1572671790. Its totient is φ = 524223928.

The previous prime is 1048447843. The next prime is 1048447879. The reversal of 1048447858 is 8587448401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 986148409 + 62299449 = 31403^2 + 7893^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262111963 + ... + 262111966.

Almost surely, 2^1048447858 is an apocalyptic number.

1048447858 is a deficient number, since it is larger than the sum of its proper divisors (524223932).

1048447858 is an equidigital number, since it uses as much as digits as its factorization.

1048447858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524223931.

The product of its (nonzero) digits is 1146880, while the sum is 49.

The square root of 1048447858 is about 32379.7445635385. The cubic root of 1048447858 is about 1015.8952871447.

The spelling of 1048447858 in words is "one billion, forty-eight million, four hundred forty-seven thousand, eight hundred fifty-eight".