396209419 has 4 divisors (see below), whose sum is σ = 408990400. Its totient is φ = 383428440.

The previous prime is 396209417. The next prime is 396209423. The reversal of 396209419 is 914902693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914902693 = 233 ⋅3926621.

It is a cyclic number.

It is not a de Polignac number, because 396209419 - 2¹ = 396209417 is a prime.

It is a super-2 number, since 2×396209419² = 313963807408635122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396209417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6390444 + ... + 6390505.

It is an arithmetic number, because the mean of its divisors is an integer number (102247600).

Almost surely, 2^396209419 is an apocalyptic number.

396209419 is a deficient number, since it is larger than the sum of its proper divisors (12780981).

396209419 is a wasteful number, since it uses less digits than its factorization.

396209419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780980.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 396209419 is about 19905.0098970083. The cubic root of 396209419 is about 734.4714721948.

The spelling of 396209419 in words is "three hundred ninety-six million, two hundred nine thousand, four hundred nineteen".