28940301 has 32 divisors (see below), whose sum is σ = 47322240. Its totient is φ = 17366400.

The previous prime is 28940299. The next prime is 28940309. The reversal of 28940301 is 10304982.

It is not a de Polignac number, because 28940301 - 2¹ = 28940299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28940309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13386 + ... + 15396.

It is an arithmetic number, because the mean of its divisors is an integer number (1478820).

Almost surely, 2^28940301 is an apocalyptic number.

It is an amenable number.

28940301 is a deficient number, since it is larger than the sum of its proper divisors (18381939).

28940301 is a wasteful number, since it uses less digits than its factorization.

28940301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 28940301 is about 5379.6190385565. The cubic root of 28940301 is about 307.0207167705.

It can be divided in two parts, 28940 and 301, that added together give a square (29241 = 171²).

The spelling of 28940301 in words is "twenty-eight million, nine hundred forty thousand, three hundred one".