28949349 has 16 divisors (see below), whose sum is σ = 45347904. Its totient is φ = 16195200.

The previous prime is 28949329. The next prime is 28949377. The reversal of 28949349 is 94394982.

It is not a de Polignac number, because 28949349 - 2⁸ = 28949093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28949298 and 28949307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28949309) 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, 33312 + ... + 34169.

It is an arithmetic number, because the mean of its divisors is an integer number (2834244).

Almost surely, 2^28949349 is an apocalyptic number.

It is an amenable number.

28949349 is a deficient number, since it is larger than the sum of its proper divisors (16398555).

28949349 is a wasteful number, since it uses less digits than its factorization.

28949349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67508.

The product of its digits is 559872, while the sum is 48.

The square root of 28949349 is about 5380.4599245789. The cubic root of 28949349 is about 307.0527094578.

The spelling of 28949349 in words is "twenty-eight million, nine hundred forty-nine thousand, three hundred forty-nine".