32493987 has 16 divisors (see below), whose sum is σ = 50971680. Its totient is φ = 20388096.

The previous prime is 32493977. The next prime is 32493991. The reversal of 32493987 is 78939423.

It is a happy number.

It is not a de Polignac number, because 32493987 - 2¹⁹ = 31969699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32493977) 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, 34938 + ... + 35855.

It is an arithmetic number, because the mean of its divisors is an integer number (3185730).

Almost surely, 2^32493987 is an apocalyptic number.

32493987 is a deficient number, since it is larger than the sum of its proper divisors (18477693).

32493987 is a wasteful number, since it uses less digits than its factorization.

32493987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70819 (or 70813 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 32493987 is about 5700.3497261133. The cubic root of 32493987 is about 319.1055327043.

The spelling of 32493987 in words is "thirty-two million, four hundred ninety-three thousand, nine hundred eighty-seven".