424749 has 8 divisors (see below), whose sum is σ = 609952. Its totient is φ = 261360.

The previous prime is 424729. The next prime is 424757. The reversal of 424749 is 947424.

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

It is not a de Polignac number, because 424749 - 2⁸ = 424493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424709) 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, 5407 + ... + 5484.

It is an arithmetic number, because the mean of its divisors is an integer number (76244).

2⁴²⁴⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

424749 is a deficient number, since it is larger than the sum of its proper divisors (185203).

424749 is a wasteful number, since it uses less digits than its factorization.

424749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10907.

The product of its digits is 8064, while the sum is 30.

The square root of 424749 is about 651.7277038764. The cubic root of 424749 is about 75.1699258232.

It can be divided in two parts, 4 and 24749, that added together give a triangular number (24753 = T₂₂₂).

The spelling of 424749 in words is "four hundred twenty-four thousand, seven hundred forty-nine".