407399 has 4 divisors (see below), whose sum is σ = 425136. Its totient is φ = 389664.

The previous prime is 407383. The next prime is 407401. The reversal of 407399 is 993704.

It is a happy number.

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 407399 - 2⁴ = 407383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407359) 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, 8834 + ... + 8879.

It is an arithmetic number, because the mean of its divisors is an integer number (106284).

2⁴⁰⁷³⁹⁹ is an apocalyptic number.

407399 is a deficient number, since it is larger than the sum of its proper divisors (17737).

407399 is a wasteful number, since it uses less digits than its factorization.

407399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17736.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 407399 is about 638.2781525323. The cubic root of 407399 is about 74.1321597392.

The spelling of 407399 in words is "four hundred seven thousand, three hundred ninety-nine".