416397 has 4 divisors (see below), whose sum is σ = 555200. Its totient is φ = 277596.

The previous prime is 416393. The next prime is 416399. The reversal of 416397 is 793614.

It is a happy number.

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.

It is not a de Polignac number, because 416397 - 2² = 416393 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416393) 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, 69397 + ... + 69402.

It is an arithmetic number, because the mean of its divisors is an integer number (138800).

2⁴¹⁶³⁹⁷ is an apocalyptic number.

It is an amenable number.

416397 is a deficient number, since it is larger than the sum of its proper divisors (138803).

416397 is a wasteful number, since it uses less digits than its factorization.

416397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138802.

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

The square root of 416397 is about 645.2883076579. The cubic root of 416397 is about 74.6739624922.

The spelling of 416397 in words is "four hundred sixteen thousand, three hundred ninety-seven".