1896898626 has 48 divisors (see below), whose sum is σ = 4713768384. Its totient is φ = 540045792.

The previous prime is 1896898609. The next prime is 1896898631. The reversal of 1896898626 is 6268986981.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9060 + ... + 62256.

It is an arithmetic number, because the mean of its divisors is an integer number (98203508).

Almost surely, 2^1896898626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1896898626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2356884192).

1896898626 is an abundant number, since it is smaller than the sum of its proper divisors (2816869758).

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

1896898626 is a wasteful number, since it uses less digits than its factorization.

1896898626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53495 (or 53492 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 63.

The square root of 1896898626 is about 43553.3997065671. The cubic root of 1896898626 is about 1237.8880599937. Note that the first 3 decimals are identical.

The spelling of 1896898626 in words is "one billion, eight hundred ninety-six million, eight hundred ninety-eight thousand, six hundred twenty-six".