538577949 has 16 divisors (see below), whose sum is σ = 883820672. Its totient is φ = 284084928.

The previous prime is 538577939. The next prime is 538577951. The reversal of 538577949 is 949775835.

It is not a de Polignac number, because 538577949 - 2⁹ = 538577437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538577909) 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, 986134 + ... + 986679.

It is an arithmetic number, because the mean of its divisors is an integer number (55238792).

Almost surely, 2^538577949 is an apocalyptic number.

It is an amenable number.

538577949 is a deficient number, since it is larger than the sum of its proper divisors (345242723).

538577949 is a wasteful number, since it uses less digits than its factorization.

538577949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972836.

The product of its digits is 9525600, while the sum is 57.

The square root of 538577949 is about 23207.2822407106. The cubic root of 538577949 is about 813.6098343060.

The spelling of 538577949 in words is "five hundred thirty-eight million, five hundred seventy-seven thousand, nine hundred forty-nine".