4023650 has 12 divisors (see below), whose sum is σ = 7484082. Its totient is φ = 1609440.

The previous prime is 4023631. The next prime is 4023653. The reversal of 4023650 is 563204.

It can be written as a sum of positive squares in 3 ways, for example, as 3179089 + 844561 = 1783^2 + 919^2 .

It is not an unprimeable number, because it can be changed into a prime (4023653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40187 + ... + 40286.

Almost surely, 2^4023650 is an apocalyptic number.

4023650 is a deficient number, since it is larger than the sum of its proper divisors (3460432).

4023650 is a wasteful number, since it uses less digits than its factorization.

4023650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80485 (or 80480 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 4023650 is about 2005.9037863268. The cubic root of 4023650 is about 159.0523409290.

Adding to 4023650 its reverse (563204), we get a palindrome (4586854).

It can be divided in two parts, 40 and 23650, that multiplied together give a triangular number (946000 = T₁₃₇₅).

The spelling of 4023650 in words is "four million, twenty-three thousand, six hundred fifty".