398037 has 4 divisors (see below), whose sum is σ = 530720. Its totient is φ = 265356.

The previous prime is 398033. The next prime is 398039. The reversal of 398037 is 730893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 730893 = 3 ⋅243631.

It is not a de Polignac number, because 398037 - 2² = 398033 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 397995 and 398013.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398037.

It is not an unprimeable number, because it can be changed into a prime (398033) 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, 66337 + ... + 66342.

It is an arithmetic number, because the mean of its divisors is an integer number (132680).

2³⁹⁸⁰³⁷ is an apocalyptic number.

It is an amenable number.

398037 is a deficient number, since it is larger than the sum of its proper divisors (132683).

398037 is a wasteful number, since it uses less digits than its factorization.

398037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132682.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 398037 is about 630.9017356134. The cubic root of 398037 is about 73.5599030372.

The spelling of 398037 in words is "three hundred ninety-eight thousand, thirty-seven".