28413954 has 12 divisors (see below), whose sum is σ = 61563606. Its totient is φ = 9471312.

The previous prime is 28413941. The next prime is 28413961. The reversal of 28413954 is 45931482.

It can be written as a sum of positive squares in only one way, i.e., 27279729 + 1134225 = 5223^2 + 1065^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 789259 + ... + 789294.

Almost surely, 2^28413954 is an apocalyptic number.

28413954 is an abundant number, since it is smaller than the sum of its proper divisors (33149652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28413954 is a wasteful number, since it uses less digits than its factorization.

28413954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578561 (or 1578558 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 28413954 is about 5330.4740877337. The cubic root of 28413954 is about 305.1480209582.

The spelling of 28413954 in words is "twenty-eight million, four hundred thirteen thousand, nine hundred fifty-four".