2405632 has 18 divisors (see below), whose sum is σ = 4802378. Its totient is φ = 1202688.

The previous prime is 2405621. The next prime is 2405633. The reversal of 2405632 is 2365042.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1290496 + 1115136 = 1136^2 + 1056^2 .

It is a d-powerful number, because it can be written as 2¹³ + 4⁷ + 0 + 5 + 6⁸ + 3¹¹ + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4443 + ... + 4954.

2^2405632 is an apocalyptic number.

It is an amenable number.

2405632 is a deficient number, since it is larger than the sum of its proper divisors (2396746).

2405632 is an frugal number, since it uses more digits than its factorization.

2405632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9413 (or 9399 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2405632 is about 1551.0099935204. The cubic root of 2405632 is about 133.9912372676.

The spelling of 2405632 in words is "two million, four hundred five thousand, six hundred thirty-two".