4140646 has 4 divisors (see below), whose sum is σ = 6210972. Its totient is φ = 2070322.

The previous prime is 4140641. The next prime is 4140683. The reversal of 4140646 is 6460414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6460414 = 2 ⋅3230207.

It is a self number, because there is not a number n which added to its sum of digits gives 4140646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035160 + ... + 1035163.

It is an arithmetic number, because the mean of its divisors is an integer number (1552743).

Almost surely, 2^4140646 is an apocalyptic number.

4140646 is a deficient number, since it is larger than the sum of its proper divisors (2070326).

4140646 is a wasteful number, since it uses less digits than its factorization.

4140646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070325.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4140646 is about 2034.8577345849. The cubic root of 4140646 is about 160.5792286829.

The spelling of 4140646 in words is "four million, one hundred forty thousand, six hundred forty-six".