396048521 has 8 divisors (see below), whose sum is σ = 454792800. Its totient is φ = 341094240.

The previous prime is 396048509. The next prime is 396048547. The reversal of 396048521 is 125840693.

It is a happy number.

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 396048521 - 2²² = 391854217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (396048581) 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, 947276 + ... + 947693.

It is an arithmetic number, because the mean of its divisors is an integer number (56849100).

Almost surely, 2^396048521 is an apocalyptic number.

It is an amenable number.

396048521 is a deficient number, since it is larger than the sum of its proper divisors (58744279).

396048521 is a wasteful number, since it uses less digits than its factorization.

396048521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894999.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 396048521 is about 19900.9678407860. The cubic root of 396048521 is about 734.3720374131.

The spelling of 396048521 in words is "three hundred ninety-six million, forty-eight thousand, five hundred twenty-one".