424507392 has 144 divisors (see below), whose sum is σ = 1272955320. Its totient is φ = 141336576.

The previous prime is 424507381. The next prime is 424507403. The reversal of 424507392 is 293705424.

It is an interprime number because it is at equal distance from previous prime (424507381) and next prime (424507403).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497238 + ... + 498090.

Almost surely, 2^424507392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424507392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636477660).

424507392 is an abundant number, since it is smaller than the sum of its proper divisors (848447928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424507392 is an frugal number, since it uses more digits than its factorization.

424507392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 424507392 is about 20603.5771651430. The cubic root of 424507392 is about 751.5567026669.

The spelling of 424507392 in words is "four hundred twenty-four million, five hundred seven thousand, three hundred ninety-two".