249028473 has 8 divisors (see below), whose sum is σ = 332172288. Its totient is φ = 165951824.

The previous prime is 249028471. The next prime is 249028489. The reversal of 249028473 is 374820942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 249028473 - 2¹ = 249028471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249028471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7386 + ... + 23507.

It is an arithmetic number, because the mean of its divisors is an integer number (41521536).

Almost surely, 2^249028473 is an apocalyptic number.

It is an amenable number.

249028473 is a deficient number, since it is larger than the sum of its proper divisors (83143815).

249028473 is a wasteful number, since it uses less digits than its factorization.

249028473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33583.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 249028473 is about 15780.6360137987. The cubic root of 249028473 is about 629.1434340519.

The spelling of 249028473 in words is "two hundred forty-nine million, twenty-eight thousand, four hundred seventy-three".