424890774 has 216 divisors, whose sum is σ = 1236165840. Its totient is φ = 103118400.

The previous prime is 424890761. The next prime is 424890779. The reversal of 424890774 is 477098424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424890779) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 13706139 + ... + 13706169.

It is an arithmetic number, because the mean of its divisors is an integer number (5722990).

Almost surely, 2^424890774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424890774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618082920).

424890774 is an abundant number, since it is smaller than the sum of its proper divisors (811275066).

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

424890774 is a wasteful number, since it uses less digits than its factorization.

424890774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 424890774 is about 20612.8788382409. The cubic root of 424890774 is about 751.7828837424.

It can be divided in two parts, 424 and 890774, that added together give a palindrome (891198).

The spelling of 424890774 in words is "four hundred twenty-four million, eight hundred ninety thousand, seven hundred seventy-four".