1828836420 has 24 divisors (see below), whose sum is σ = 5120742144. Its totient is φ = 487689696.

The previous prime is 1828836419. The next prime is 1828836437. The reversal of 1828836420 is 246388281.

It is a happy number.

It is a super-2 number, since 2×1828836420² = 6689285302236832800, which contains 22 as substring.

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, 15240244 + ... + 15240363.

It is an arithmetic number, because the mean of its divisors is an integer number (213364256).

Almost surely, 2^1828836420 is an apocalyptic number.

1828836420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1828836420 is an abundant number, since it is smaller than the sum of its proper divisors (3291905724).

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

1828836420 is a wasteful number, since it uses less digits than its factorization.

1828836420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30480619 (or 30480617 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 1828836420 is about 42764.8970535415. The cubic root of 1828836420 is about 1222.9019023931.

The spelling of 1828836420 in words is "one billion, eight hundred twenty-eight million, eight hundred thirty-six thousand, four hundred twenty".