28953154 has 4 divisors (see below), whose sum is σ = 43429734. Its totient is φ = 14476576.

The previous prime is 28953149. The next prime is 28953173. The reversal of 28953154 is 45135982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28355625 + 597529 = 5325^2 + 773^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7238287 + ... + 7238290.

Almost surely, 2^28953154 is an apocalyptic number.

28953154 is a deficient number, since it is larger than the sum of its proper divisors (14476580).

28953154 is a wasteful number, since it uses less digits than its factorization.

28953154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14476579.

The product of its digits is 43200, while the sum is 37.

The square root of 28953154 is about 5380.8135072682. The cubic root of 28953154 is about 307.0661615090.

The spelling of 28953154 in words is "twenty-eight million, nine hundred fifty-three thousand, one hundred fifty-four".