28377141 has 16 divisors (see below), whose sum is σ = 41000064. Its totient is φ = 17354304.

The previous prime is 28377137. The next prime is 28377191. The reversal of 28377141 is 14177382.

It is a happy number.

It is not a de Polignac number, because 28377141 - 2² = 28377137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28377191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4335 + ... + 8691.

It is an arithmetic number, because the mean of its divisors is an integer number (2562504).

Almost surely, 2^28377141 is an apocalyptic number.

It is an amenable number.

28377141 is a deficient number, since it is larger than the sum of its proper divisors (12622923).

28377141 is a wasteful number, since it uses less digits than its factorization.

28377141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540.

The product of its digits is 9408, while the sum is 33.

The square root of 28377141 is about 5327.0198985925. The cubic root of 28377141 is about 305.0161811714.

The spelling of 28377141 in words is "twenty-eight million, three hundred seventy-seven thousand, one hundred forty-one".