4645420 has 48 divisors (see below), whose sum is σ = 11134368. Its totient is φ = 1612800.

The previous prime is 4645411. The next prime is 4645429. The reversal of 4645420 is 245464.

It is an interprime number because it is at equal distance from previous prime (4645411) and next prime (4645429).

It is not an unprimeable number, because it can be changed into a prime (4645429) 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, 3895 + ... + 4945.

It is an arithmetic number, because the mean of its divisors is an integer number (231966).

Almost surely, 2^4645420 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 4645420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5567184).

4645420 is an abundant number, since it is smaller than the sum of its proper divisors (6488948).

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

4645420 is a wasteful number, since it uses less digits than its factorization.

4645420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4645420 is about 2155.3236415907. The cubic root of 4645420 is about 166.8559360923.

The spelling of 4645420 in words is "four million, six hundred forty-five thousand, four hundred twenty".