532687394 has 4 divisors (see below), whose sum is σ = 799031094. Its totient is φ = 266343696.

The previous prime is 532687391. The next prime is 532687417. The reversal of 532687394 is 493786235.

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., 473628169 + 59059225 = 21763^2 + 7685^2 .

It is a super-2 number, since 2×532687394² = 567511719453022472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (532687391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133171847 + ... + 133171850.

Almost surely, 2^532687394 is an apocalyptic number.

532687394 is a deficient number, since it is larger than the sum of its proper divisors (266343700).

532687394 is a wasteful number, since it uses less digits than its factorization.

532687394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266343699.

The product of its digits is 1088640, while the sum is 47.

The square root of 532687394 is about 23080.0215337854. The cubic root of 532687394 is about 810.6327393558.

The spelling of 532687394 in words is "five hundred thirty-two million, six hundred eighty-seven thousand, three hundred ninety-four".