424899393 has 16 divisors (see below), whose sum is σ = 569934336. Its totient is φ = 281571840.

The previous prime is 424899389. The next prime is 424899407. The reversal of 424899393 is 393998424.

It is not a de Polignac number, because 424899393 - 2² = 424899389 is a prime.

It is a super-3 number, since 3×424899393³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (424891393) 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, 642483 + ... + 643143.

It is an arithmetic number, because the mean of its divisors is an integer number (35620896).

Almost surely, 2^424899393 is an apocalyptic number.

It is an amenable number.

424899393 is a deficient number, since it is larger than the sum of its proper divisors (145034943).

424899393 is a wasteful number, since it uses less digits than its factorization.

424899393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624.

The product of its digits is 1679616, while the sum is 51.

The square root of 424899393 is about 20613.0879055031. The cubic root of 424899393 is about 751.7879670668.

The spelling of 424899393 in words is "four hundred twenty-four million, eight hundred ninety-nine thousand, three hundred ninety-three".