4269642 has 64 divisors (see below), whose sum is σ = 10053120. Its totient is φ = 1197504.

The previous prime is 4269637. The next prime is 4269647. The reversal of 4269642 is 2469624.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4269637) and next prime (4269647).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4269647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63693 + ... + 63759.

It is an arithmetic number, because the mean of its divisors is an integer number (157080).

Almost surely, 2^4269642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4269642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5026560).

4269642 is an abundant number, since it is smaller than the sum of its proper divisors (5783478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4269642 is a wasteful number, since it uses less digits than its factorization.

4269642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147.

The product of its digits is 20736, while the sum is 33.

The square root of 4269642 is about 2066.3112059900. The cubic root of 4269642 is about 162.2297456600.

The spelling of 4269642 in words is "four million, two hundred sixty-nine thousand, six hundred forty-two".