2352638 has 16 divisors (see below), whose sum is σ = 3638544. Its totient is φ = 1140480.

The previous prime is 2352631. The next prime is 2352641. The reversal of 2352638 is 8362532.

It is a Cunningham number, because it is equal to 133³+1.

It is a self number, because there is not a number n which added to its sum of digits gives 2352638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2352631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12908 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (227409).

2^2352638 is an apocalyptic number.

2352638 is a deficient number, since it is larger than the sum of its proper divisors (1285906).

2352638 is a wasteful number, since it uses less digits than its factorization.

2352638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347.

The product of its digits is 8640, while the sum is 29.

The square root of 2352638 is about 1533.8311510724. The cubic root of 2352638 is about 133.0000188441. Note that the first 4 decimals are identical.

The spelling of 2352638 in words is "two million, three hundred fifty-two thousand, six hundred thirty-eight".