738831 has 4 divisors (see below), whose sum is σ = 985112. Its totient is φ = 492552.

The previous prime is 738827. The next prime is 738839. The reversal of 738831 is 138837.

738831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138837 = 3 ⋅46279.

It is not a de Polignac number, because 738831 - 2² = 738827 is a prime.

It is a super-2 number, since 2×738831² = 1091742493122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

738831 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123136 + ... + 123141.

It is an arithmetic number, because the mean of its divisors is an integer number (246278).

2⁷³⁸⁸³¹ is an apocalyptic number.

738831 is a deficient number, since it is larger than the sum of its proper divisors (246281).

738831 is a wasteful number, since it uses less digits than its factorization.

738831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246280.

The product of its digits is 4032, while the sum is 30.

The square root of 738831 is about 859.5527906999. The cubic root of 738831 is about 90.4027627918.

It can be divided in two parts, 738 and 831, that multiplied together give a triangular number (613278 = T₁₁₀₇).

The spelling of 738831 in words is "seven hundred thirty-eight thousand, eight hundred thirty-one".