424337649 has 16 divisors (see below), whose sum is σ = 596124672. Its totient is φ = 267960528.

The previous prime is 424337609. The next prime is 424337653. The reversal of 424337649 is 946733424.

It is a happy number.

It is not a de Polignac number, because 424337649 - 2¹⁶ = 424272113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424337649.

It is not an unprimeable number, because it can be changed into a prime (424337609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22747 + ... + 36960.

It is an arithmetic number, because the mean of its divisors is an integer number (37257792).

Almost surely, 2^424337649 is an apocalyptic number.

It is an amenable number.

424337649 is a deficient number, since it is larger than the sum of its proper divisors (171787023).

424337649 is a wasteful number, since it uses less digits than its factorization.

424337649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59836.

The product of its digits is 435456, while the sum is 42.

The square root of 424337649 is about 20599.4574928565. The cubic root of 424337649 is about 751.4565171349.

The spelling of 424337649 in words is "four hundred twenty-four million, three hundred thirty-seven thousand, six hundred forty-nine".