1890486470 has 16 divisors (see below), whose sum is σ = 3450804768. Its totient is φ = 745543680.

The previous prime is 1890486467. The next prime is 1890486487. The reversal of 1890486470 is 746840981.

It is a congruent number.

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, 1330619 + ... + 1332038.

It is an arithmetic number, because the mean of its divisors is an integer number (215675298).

Almost surely, 2^1890486470 is an apocalyptic number.

1890486470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1890486470 is a deficient number, since it is larger than the sum of its proper divisors (1560318298).

1890486470 is a wasteful number, since it uses less digits than its factorization.

1890486470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662735.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 1890486470 is about 43479.7248151365. The cubic root of 1890486470 is about 1236.4916592373.

The spelling of 1890486470 in words is "one billion, eight hundred ninety million, four hundred eighty-six thousand, four hundred seventy".