28348092 has 18 divisors (see below), whose sum is σ = 71657768. Its totient is φ = 9449352.

The previous prime is 28348091. The next prime is 28348093. The reversal of 28348092 is 29084382.

It is an interprime number because it is at equal distance from previous prime (28348091) and next prime (28348093).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×28348092² = 1607228640080928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 787447 = 28348092 / (2 + 8 + 3 + 4 + 8 + 0 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28348091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 393688 + ... + 393759.

Almost surely, 2^28348092 is an apocalyptic number.

It is an amenable number.

28348092 is an abundant number, since it is smaller than the sum of its proper divisors (43309676).

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

28348092 is a wasteful number, since it uses less digits than its factorization.

28348092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787457 (or 787452 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 28348092 is about 5324.2926290729. The cubic root of 28348092 is about 304.9120663822.

The spelling of 28348092 in words is "twenty-eight million, three hundred forty-eight thousand, ninety-two".