1948202830 has 32 divisors (see below), whose sum is σ = 4062642624. Its totient is φ = 658803456.

The previous prime is 1948202819. The next prime is 1948202881. The reversal of 1948202830 is 382028491.

It is a self number, because there is not a number n which added to its sum of digits gives 1948202830.

It is a congruent number.

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, 185517 + ... + 195736.

It is an arithmetic number, because the mean of its divisors is an integer number (126957582).

Almost surely, 2^1948202830 is an apocalyptic number.

1948202830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1948202830 is an abundant number, since it is smaller than the sum of its proper divisors (2114439794).

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

1948202830 is a wasteful number, since it uses less digits than its factorization.

1948202830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381340.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1948202830 is about 44138.4506977760. The cubic root of 1948202830 is about 1248.9490537238.

The spelling of 1948202830 in words is "one billion, nine hundred forty-eight million, two hundred two thousand, eight hundred thirty".