4040620 has 12 divisors (see below), whose sum is σ = 8485344. Its totient is φ = 1616240.

The previous prime is 4040593. The next prime is 4040627. The reversal of 4040620 is 260404.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4040594 and 4040603.

It is not an unprimeable number, because it can be changed into a prime (4040627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100996 + ... + 101035.

It is an arithmetic number, because the mean of its divisors is an integer number (707112).

Almost surely, 2^4040620 is an apocalyptic number.

It is an amenable number.

4040620 is an abundant number, since it is smaller than the sum of its proper divisors (4444724).

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

4040620 is a wasteful number, since it uses less digits than its factorization.

4040620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202040 (or 202038 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4040620 is about 2010.1293490718. The cubic root of 4040620 is about 159.2756317656.

The spelling of 4040620 in words is "four million, forty thousand, six hundred twenty".