1064211898 has 8 divisors (see below), whose sum is σ = 1651363380. Its totient is φ = 513757440.

The previous prime is 1064211881. The next prime is 1064211899. The reversal of 1064211898 is 8981124601.

It can be written as a sum of positive squares in 2 ways, for example, as 992691049 + 71520849 = 31507^2 + 8457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1064211898² = 2265093927689524808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1064211898.

It is not an unprimeable number, because it can be changed into a prime (1064211899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9174183 + ... + 9174298.

Almost surely, 2^1064211898 is an apocalyptic number.

1064211898 is a deficient number, since it is larger than the sum of its proper divisors (587151482).

1064211898 is a wasteful number, since it uses less digits than its factorization.

1064211898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18348512.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 1064211898 is about 32622.2607738949. The cubic root of 1064211898 is about 1020.9615109992.

The spelling of 1064211898 in words is "one billion, sixty-four million, two hundred eleven thousand, eight hundred ninety-eight".