1827097920 has 168 divisors, whose sum is σ = 6557930496. Its totient is φ = 466025472.

The previous prime is 1827097901. The next prime is 1827097927. The reversal of 1827097920 is 297907281.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1827097927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52449 + ... + 80031.

Almost surely, 2^1827097920 is an apocalyptic number.

1827097920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1827097920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3278965248).

1827097920 is an abundant number, since it is smaller than the sum of its proper divisors (4730832576).

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

1827097920 is a wasteful number, since it uses less digits than its factorization.

1827097920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27629 (or 27616 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 1827097920 is about 42744.5659704248. The cubic root of 1827097920 is about 1222.5142808875.

The spelling of 1827097920 in words is "one billion, eight hundred twenty-seven million, ninety-seven thousand, nine hundred twenty".