4921434 has 48 divisors (see below), whose sum is σ = 12317760. Its totient is φ = 1391040.

The previous prime is 4921429. The next prime is 4921447. The reversal of 4921434 is 4341294.

It is an alternating number because its digits alternate between even and odd.

Its product of digits (3456) is a multiple of the sum of its prime divisors (432).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4921398 and 4921407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17374 + ... + 17654.

It is an arithmetic number, because the mean of its divisors is an integer number (256620).

Almost surely, 2^4921434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4921434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6158880).

4921434 is an abundant number, since it is smaller than the sum of its proper divisors (7396326).

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

4921434 is a wasteful number, since it uses less digits than its factorization.

4921434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 432 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4921434 is about 2218.4305262956. The cubic root of 4921434 is about 170.0972223583.

The spelling of 4921434 in words is "four million, nine hundred twenty-one thousand, four hundred thirty-four".