28377454 has 16 divisors (see below), whose sum is σ = 51509088. Its totient is φ = 11446272.

The previous prime is 28377439. The next prime is 28377473. The reversal of 28377454 is 45477382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59379 + ... + 59854.

It is an arithmetic number, because the mean of its divisors is an integer number (3219318).

Almost surely, 2^28377454 is an apocalyptic number.

28377454 is a deficient number, since it is larger than the sum of its proper divisors (23131634).

28377454 is a wasteful number, since it uses less digits than its factorization.

28377454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119259.

The product of its digits is 188160, while the sum is 40.

The square root of 28377454 is about 5327.0492770388. The cubic root of 28377454 is about 305.0173026106.

The spelling of 28377454 in words is "twenty-eight million, three hundred seventy-seven thousand, four hundred fifty-four".