16252394 has 4 divisors (see below), whose sum is σ = 24378594. Its totient is φ = 8126196.

The previous prime is 16252393. The next prime is 16252403. The reversal of 16252394 is 49325261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16104169 + 148225 = 4013^2 + 385^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16252394.

It is not an unprimeable number, because it can be changed into a prime (16252393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4063097 + ... + 4063100.

Almost surely, 2^16252394 is an apocalyptic number.

16252394 is a deficient number, since it is larger than the sum of its proper divisors (8126200).

16252394 is an equidigital number, since it uses as much as digits as its factorization.

16252394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126199.

The product of its digits is 12960, while the sum is 32.

The square root of 16252394 is about 4031.4258023682. The cubic root of 16252394 is about 253.3022888243.

It can be divided in two parts, 16 and 252394, that multiplied together give a palindrome (4038304).

The spelling of 16252394 in words is "sixteen million, two hundred fifty-two thousand, three hundred ninety-four".