1000456898 has 16 divisors (see below), whose sum is σ = 1789637760. Its totient is φ = 410125056.

The previous prime is 1000456889. The next prime is 1000456937. The reversal of 1000456898 is 8986540001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553183 + ... + 1553826.

It is an arithmetic number, because the mean of its divisors is an integer number (111852360).

Almost surely, 2^1000456898 is an apocalyptic number.

1000456898 is a deficient number, since it is larger than the sum of its proper divisors (789180862).

1000456898 is a wasteful number, since it uses less digits than its factorization.

1000456898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107041.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 1000456898 is about 31629.9999683844. Note that the first 4 decimals coincide. The cubic root of 1000456898 is about 1000.1522761441.

Adding to 1000456898 its reverse (8986540001), we get a palindrome (9986996899).

The spelling of 1000456898 in words is "one billion, four hundred fifty-six thousand, eight hundred ninety-eight".