4536405 has 40 divisors (see below), whose sum is σ = 8502912. Its totient is φ = 2309472.

The previous prime is 4536401. The next prime is 4536407. The reversal of 4536405 is 5046354.

It is not a de Polignac number, because 4536405 - 2² = 4536401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4536401) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9072 + ... + 9558.

Almost surely, 2^4536405 is an apocalyptic number.

4536405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4536405 is a deficient number, since it is larger than the sum of its proper divisors (3966507).

4536405 is a wasteful number, since it uses less digits than its factorization.

4536405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 4536405 is about 2129.8837996473. The cubic root of 4536405 is about 165.5403770866.

Adding to 4536405 its product of nonzero digits (7200), we get a triangular number (4543605 = T₃₀₁₄).

The spelling of 4536405 in words is "four million, five hundred thirty-six thousand, four hundred five".