396239401 has 8 divisors (see below), whose sum is σ = 412526024. Its totient is φ = 380246400.

The previous prime is 396239399. The next prime is 396239443. The reversal of 396239401 is 104932693.

396239401 = 14075² + 14076².

It can be written as a sum of positive squares in 4 ways, for example, as 198133776 + 198105625 = 14076^2 + 14075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 396239401 - 2¹ = 396239399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (396239201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70650 + ... + 76051.

It is an arithmetic number, because the mean of its divisors is an integer number (51565753).

Almost surely, 2^396239401 is an apocalyptic number.

396239401 is the 14076-th centered square number.

It is an amenable number.

396239401 is a deficient number, since it is larger than the sum of its proper divisors (16286623).

396239401 is a wasteful number, since it uses less digits than its factorization.

396239401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146811.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 396239401 is about 19905.7630097417. The cubic root of 396239401 is about 734.4899980612.

The spelling of 396239401 in words is "three hundred ninety-six million, two hundred thirty-nine thousand, four hundred one".