28049415 has 16 divisors (see below), whose sum is σ = 47241600. Its totient is φ = 14172192.

The previous prime is 28049407. The next prime is 28049423. The reversal of 28049415 is 51494082.

It is an interprime number because it is at equal distance from previous prime (28049407) and next prime (28049423).

It is not a de Polignac number, because 28049415 - 2³ = 28049407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48925 + ... + 49494.

It is an arithmetic number, because the mean of its divisors is an integer number (2952600).

Almost surely, 2^28049415 is an apocalyptic number.

28049415 is a deficient number, since it is larger than the sum of its proper divisors (19192185).

28049415 is a wasteful number, since it uses less digits than its factorization.

28049415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98446.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 28049415 is about 5296.1698424427. The cubic root of 28049415 is about 303.8374267807.

The spelling of 28049415 in words is "twenty-eight million, forty-nine thousand, four hundred fifteen".