4262638 has 4 divisors (see below), whose sum is σ = 6393960. Its totient is φ = 2131318.

The previous prime is 4262617. The next prime is 4262639. The reversal of 4262638 is 8362624.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4262639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065658 + ... + 1065661.

It is an arithmetic number, because the mean of its divisors is an integer number (1598490).

Almost surely, 2^4262638 is an apocalyptic number.

4262638 is a deficient number, since it is larger than the sum of its proper divisors (2131322).

4262638 is a wasteful number, since it uses less digits than its factorization.

4262638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131321.

The product of its digits is 13824, while the sum is 31.

The square root of 4262638 is about 2064.6157027399. The cubic root of 4262638 is about 162.1409888807.

It can be divided in two parts, 4262 and 638, that added together give a square (4900 = 70²).

The spelling of 4262638 in words is "four million, two hundred sixty-two thousand, six hundred thirty-eight".