4202638 has 24 divisors (see below), whose sum is σ = 7316424. Its totient is φ = 1795200.

The previous prime is 4202633. The next prime is 4202641. The reversal of 4202638 is 8362024.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6028 + ... + 6688.

It is an arithmetic number, because the mean of its divisors is an integer number (304851).

Almost surely, 2^4202638 is an apocalyptic number.

4202638 is a deficient number, since it is larger than the sum of its proper divisors (3113786).

4202638 is a wasteful number, since it uses less digits than its factorization.

4202638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4202638 is about 2050.0336582603. The cubic root of 4202638 is about 161.3766370943.

The spelling of 4202638 in words is "four million, two hundred two thousand, six hundred thirty-eight".