249414428 has 12 divisors (see below), whose sum is σ = 442454880. Its totient is φ = 122998752.

The previous prime is 249414427. The next prime is 249414443. The reversal of 249414428 is 824414942.

It is a junction number, because it is equal to n+sod(n) for n = 249414391 and 249414400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249414427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426788 + ... + 427371.

It is an arithmetic number, because the mean of its divisors is an integer number (36871240).

Almost surely, 2^249414428 is an apocalyptic number.

It is an amenable number.

249414428 is a deficient number, since it is larger than the sum of its proper divisors (193040452).

249414428 is a wasteful number, since it uses less digits than its factorization.

249414428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854236 (or 854234 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 249414428 is about 15792.8600323057. The cubic root of 249414428 is about 629.4682907697.

The spelling of 249414428 in words is "two hundred forty-nine million, four hundred fourteen thousand, four hundred twenty-eight".