28150104 has 16 divisors (see below), whose sum is σ = 70375320. Its totient is φ = 9383360.

The previous prime is 28150103. The next prime is 28150121. The reversal of 28150104 is 40105182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28150103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586437 + ... + 586484.

Almost surely, 2^28150104 is an apocalyptic number.

28150104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28150104 is an abundant number, since it is smaller than the sum of its proper divisors (42225216).

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

28150104 is a wasteful number, since it uses less digits than its factorization.

28150104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172930 (or 1172926 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 28150104 is about 5305.6671588029. The cubic root of 28150104 is about 304.2005544112.

Adding to 28150104 its reverse (40105182), we get a palindrome (68255286).

The spelling of 28150104 in words is "twenty-eight million, one hundred fifty thousand, one hundred four".