738431 has 4 divisors (see below), whose sum is σ = 741912. Its totient is φ = 734952.

The previous prime is 738421. The next prime is 738443. The reversal of 738431 is 134837.

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 738431 - 2¹⁴ = 722047 is a prime.

It is a super-2 number, since 2×738431² = 1090560683522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 738431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738401) 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, 1400 + ... + 1853.

It is an arithmetic number, because the mean of its divisors is an integer number (185478).

2⁷³⁸⁴³¹ is an apocalyptic number.

738431 is a deficient number, since it is larger than the sum of its proper divisors (3481).

738431 is a wasteful number, since it uses less digits than its factorization.

738431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480.

The product of its digits is 2016, while the sum is 26.

The square root of 738431 is about 859.3200800633. The cubic root of 738431 is about 90.3864452880.

The spelling of 738431 in words is "seven hundred thirty-eight thousand, four hundred thirty-one".