4397976 has 80 divisors (see below), whose sum is σ = 13460040. Its totient is φ = 1330560.

The previous prime is 4397969. The next prime is 4397983. The reversal of 4397976 is 6797934.

It is an interprime number because it is at equal distance from previous prime (4397969) and next prime (4397983).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6820 + ... + 7436.

Almost surely, 2^4397976 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 4397976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6730020).

4397976 is an abundant number, since it is smaller than the sum of its proper divisors (9062064).

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

4397976 is a wasteful number, since it uses less digits than its factorization.

4397976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 633 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 4397976 is about 2097.1351887754. The cubic root of 4397976 is about 163.8391244142.

The spelling of 4397976 in words is "four million, three hundred ninety-seven thousand, nine hundred seventy-six".