249404734 has 8 divisors (see below), whose sum is σ = 386175168. Its totient is φ = 120679680.

The previous prime is 249404723. The next prime is 249404777. The reversal of 249404734 is 437404942.

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

It is a super-2 number, since 2×249404734² = 124405442683221512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 249404693 and 249404702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011267 + ... + 2011390.

It is an arithmetic number, because the mean of its divisors is an integer number (48271896).

Almost surely, 2^249404734 is an apocalyptic number.

249404734 is a deficient number, since it is larger than the sum of its proper divisors (136770434).

249404734 is a wasteful number, since it uses less digits than its factorization.

249404734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022690.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 249404734 is about 15792.5531184796. The cubic root of 249404734 is about 629.4601354748.

The spelling of 249404734 in words is "two hundred forty-nine million, four hundred four thousand, seven hundred thirty-four".