537990449 has 8 divisors (see below), whose sum is σ = 569841480. Its totient is φ = 506162176.

The previous prime is 537990443. The next prime is 537990451. The reversal of 537990449 is 944099735.

It can be written as a sum of positive squares in 4 ways, for example, as 111154849 + 426835600 = 10543^2 + 20660^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 537990449 - 2²⁸ = 269554993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 537990397 and 537990406.

It is not an unprimeable number, because it can be changed into a prime (537990443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79877 + ... + 86349.

It is an arithmetic number, because the mean of its divisors is an integer number (71230185).

Almost surely, 2^537990449 is an apocalyptic number.

It is an amenable number.

537990449 is a deficient number, since it is larger than the sum of its proper divisors (31851031).

537990449 is a wasteful number, since it uses less digits than its factorization.

537990449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11379.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 537990449 is about 23194.6211221481. The cubic root of 537990449 is about 813.3138884800.

The spelling of 537990449 in words is "five hundred thirty-seven million, nine hundred ninety thousand, four hundred forty-nine".