424332534 has 16 divisors (see below), whose sum is σ = 869364720. Its totient is φ = 137994240.

The previous prime is 424332533. The next prime is 424332541. The reversal of 424332534 is 435233424.

It is a super-2 number, since 2×424332534² = 360116198821722312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424332533) 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, 862219 + ... + 862710.

It is an arithmetic number, because the mean of its divisors is an integer number (54335295).

Almost surely, 2^424332534 is an apocalyptic number.

424332534 is an abundant number, since it is smaller than the sum of its proper divisors (445032186).

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

424332534 is a wasteful number, since it uses less digits than its factorization.

424332534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724975.

The product of its digits is 34560, while the sum is 30.

The square root of 424332534 is about 20599.3333387273. Note that the first 5 decimals coincide. The cubic root of 424332534 is about 751.4534977505.

Adding to 424332534 its reverse (435233424), we get a palindrome (859565958).

The spelling of 424332534 in words is "four hundred twenty-four million, three hundred thirty-two thousand, five hundred thirty-four".