1798436460 has 48 divisors (see below), whose sum is σ = 5331838176. Its totient is φ = 451372032.

The previous prime is 1798436411. The next prime is 1798436473. The reversal of 1798436460 is 646348971.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880567 + ... + 882606.

It is an arithmetic number, because the mean of its divisors is an integer number (111079962).

Almost surely, 2^1798436460 is an apocalyptic number.

1798436460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1798436460 is an abundant number, since it is smaller than the sum of its proper divisors (3533401716).

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

1798436460 is a wasteful number, since it uses less digits than its factorization.

1798436460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763202 (or 1763200 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 1798436460 is about 42407.9763723760. The cubic root of 1798436460 is about 1216.0880835244.

The spelling of 1798436460 in words is "one billion, seven hundred ninety-eight million, four hundred thirty-six thousand, four hundred sixty".