4002620 has 12 divisors (see below), whose sum is σ = 8405544. Its totient is φ = 1601040.

The previous prime is 4002611. The next prime is 4002631. The reversal of 4002620 is 262004.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4002595 and 4002604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100046 + ... + 100085.

It is an arithmetic number, because the mean of its divisors is an integer number (700462).

Almost surely, 2^4002620 is an apocalyptic number.

It is an amenable number.

4002620 is an abundant number, since it is smaller than the sum of its proper divisors (4402924).

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

4002620 is a wasteful number, since it uses less digits than its factorization.

4002620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200140 (or 200138 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4002620 is about 2000.6548927789. The cubic root of 4002620 is about 158.7747558888.

Adding to 4002620 its reverse (262004), we get a palindrome (4264624).

The spelling of 4002620 in words is "four million, two thousand, six hundred twenty".