27898992 has 200 divisors, whose sum is σ = 93624960. Its totient is φ = 7931520.

The previous prime is 27898963. The next prime is 27898993. The reversal of 27898992 is 29989872.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27898993) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 270813 + ... + 270915.

Almost surely, 2^27898992 is an apocalyptic number.

27898992 is a gapful number since it is divisible by the number (22) 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 27898992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46812480).

27898992 is an abundant number, since it is smaller than the sum of its proper divisors (65725968).

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

27898992 is a wasteful number, since it uses less digits than its factorization.

27898992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 138 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 27898992 is about 5281.9496400477. The cubic root of 27898992 is about 303.2933146363.

It can be divided in two parts, 2789 and 8992, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 27898992 in words is "twenty-seven million, eight hundred ninety-eight thousand, nine hundred ninety-two".