4945637 has 4 divisors (see below), whose sum is σ = 5008320. Its totient is φ = 4882956.

The previous prime is 4945613. The next prime is 4945639. The reversal of 4945637 is 7365494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4945637 - 2¹⁶ = 4880101 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4945637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31223 + ... + 31380.

It is an arithmetic number, because the mean of its divisors is an integer number (1252080).

Almost surely, 2^4945637 is an apocalyptic number.

It is an amenable number.

4945637 is a deficient number, since it is larger than the sum of its proper divisors (62683).

4945637 is an equidigital number, since it uses as much as digits as its factorization.

4945637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62682.

The product of its digits is 90720, while the sum is 38.

The square root of 4945637 is about 2223.8788186410. The cubic root of 4945637 is about 170.3756054956.

The spelling of 4945637 in words is "four million, nine hundred forty-five thousand, six hundred thirty-seven".