424784137 has 4 divisors (see below), whose sum is σ = 428026896. Its totient is φ = 421541380.

The previous prime is 424784131. The next prime is 424784147. The reversal of 424784137 is 731487424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424784137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424784137.

It is not an unprimeable number, because it can be changed into a prime (424784131) 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, 1621183 + ... + 1621444.

It is an arithmetic number, because the mean of its divisors is an integer number (107006724).

Almost surely, 2^424784137 is an apocalyptic number.

It is an amenable number.

424784137 is a deficient number, since it is larger than the sum of its proper divisors (3242759).

424784137 is a wasteful number, since it uses less digits than its factorization.

424784137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242758.

The product of its digits is 150528, while the sum is 40.

The square root of 424784137 is about 20610.2920163689. The cubic root of 424784137 is about 751.7199855547.

The spelling of 424784137 in words is "four hundred twenty-four million, seven hundred eighty-four thousand, one hundred thirty-seven".