538636747 has 16 divisors (see below), whose sum is σ = 613992960. Its totient is φ = 467737600.

The previous prime is 538636741. The next prime is 538636753. The reversal of 538636747 is 747636835.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (538636741) and next prime (538636753).

It is not a de Polignac number, because 538636747 - 2³ = 538636739 is a prime.

It is a super-3 number, since 3×538636747³ (a number of 27 digits) contains 333 as substring.

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 538636747.

It is not an unprimeable number, because it can be changed into a prime (538636741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355722 + ... + 357232.

It is an arithmetic number, because the mean of its divisors is an integer number (38374560).

Almost surely, 2^538636747 is an apocalyptic number.

538636747 is a deficient number, since it is larger than the sum of its proper divisors (75356213).

538636747 is a wasteful number, since it uses less digits than its factorization.

538636747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954.

The product of its digits is 2540160, while the sum is 49.

The square root of 538636747 is about 23208.5490067777. The cubic root of 538636747 is about 813.6394412183.

The spelling of 538636747 in words is "five hundred thirty-eight million, six hundred thirty-six thousand, seven hundred forty-seven".