396049379 has 4 divisors (see below), whose sum is σ = 432053880. Its totient is φ = 360044880.

The previous prime is 396049361. The next prime is 396049399. The reversal of 396049379 is 973940693.

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 396049379 - 2¹⁶ = 395983843 is a prime.

It is a super-2 number, since 2×396049379² = 313710221212571282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396049399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18002234 + ... + 18002255.

It is an arithmetic number, because the mean of its divisors is an integer number (108013470).

Almost surely, 2^396049379 is an apocalyptic number.

396049379 is a deficient number, since it is larger than the sum of its proper divisors (36004501).

396049379 is a wasteful number, since it uses less digits than its factorization.

396049379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36004500.

The product of its (nonzero) digits is 1102248, while the sum is 50.

The square root of 396049379 is about 19900.9893975149. The cubic root of 396049379 is about 734.3725677276.

The spelling of 396049379 in words is "three hundred ninety-six million, forty-nine thousand, three hundred seventy-nine".