738987 has 4 divisors (see below), whose sum is σ = 985320. Its totient is φ = 492656.

The previous prime is 738977. The next prime is 738989. The reversal of 738987 is 789837.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 738987 - 2⁶ = 738923 is a prime.

It is a super-2 number, since 2×738987² = 1092203572338, which contains 22 as substring.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 738987.

It is not an unprimeable number, because it can be changed into a prime (738989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123162 + ... + 123167.

It is an arithmetic number, because the mean of its divisors is an integer number (246330).

2⁷³⁸⁹⁸⁷ is an apocalyptic number.

738987 is a deficient number, since it is larger than the sum of its proper divisors (246333).

738987 is a wasteful number, since it uses less digits than its factorization.

738987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246332.

The product of its digits is 84672, while the sum is 42.

The square root of 738987 is about 859.6435307731. The cubic root of 738987 is about 90.4091250219.

The spelling of 738987 in words is "seven hundred thirty-eight thousand, nine hundred eighty-seven".