3640462 has 16 divisors (see below), whose sum is σ = 6265440. Its totient is φ = 1554048.

The previous prime is 3640451. The next prime is 3640471. The reversal of 3640462 is 2640463.

3640462 is a modest number, since divided by 462 gives 364 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6114 + ... + 6682.

It is an arithmetic number, because the mean of its divisors is an integer number (391590).

Almost surely, 2^3640462 is an apocalyptic number.

3640462 is a deficient number, since it is larger than the sum of its proper divisors (2624978).

3640462 is a wasteful number, since it uses less digits than its factorization.

3640462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3640462 is about 1907.9994758909. Note that the first 3 decimals coincide. The cubic root of 3640462 is about 153.8339414280.

Subtracting from 3640462 its reverse (2640463), we obtain a palindrome (999999).

The spelling of 3640462 in words is "three million, six hundred forty thousand, four hundred sixty-two".