3965430 has 64 divisors (see below), whose sum is σ = 11363328. Its totient is φ = 865920.

The previous prime is 3965419. The next prime is 3965441. The reversal of 3965430 is 345693.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3965419) and next prime (3965441).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4420 + ... + 5240.

It is an arithmetic number, because the mean of its divisors is an integer number (177552).

Almost surely, 2^3965430 is an apocalyptic number.

3965430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3965430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5681664).

3965430 is an abundant number, since it is smaller than the sum of its proper divisors (7397898).

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

3965430 is a wasteful number, since it uses less digits than its factorization.

3965430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3965430 is about 1991.3387456684. The cubic root of 3965430 is about 158.2814776323.

The spelling of 3965430 in words is "three million, nine hundred sixty-five thousand, four hundred thirty".