4372538 has 4 divisors (see below), whose sum is σ = 6558810. Its totient is φ = 2186268.

The previous prime is 4372531. The next prime is 4372559. The reversal of 4372538 is 8352734.

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., 4190209 + 182329 = 2047^2 + 427^2 .

It is a super-2 number, since 2×4372538² = 38238177122888, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4¹¹ + 3⁶ + 7³ + 2 + 5 + 3¹¹ + 8 .

It is not an unprimeable number, because it can be changed into a prime (4372531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1093133 + ... + 1093136.

Almost surely, 2^4372538 is an apocalyptic number.

4372538 is a deficient number, since it is larger than the sum of its proper divisors (2186272).

4372538 is a wasteful number, since it uses less digits than its factorization.

4372538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186271.

The product of its digits is 20160, while the sum is 32.

The square root of 4372538 is about 2091.0614529468. The cubic root of 4372538 is about 163.5226302661.

The spelling of 4372538 in words is "four million, three hundred seventy-two thousand, five hundred thirty-eight".