396430377 has 16 divisors (see below), whose sum is σ = 624915840. Its totient is φ = 218719872.

The previous prime is 396430351. The next prime is 396430379. The reversal of 396430377 is 773034693.

It is not a de Polignac number, because 396430377 - 2⁸ = 396430121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396430379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324868 + ... + 326085.

It is an arithmetic number, because the mean of its divisors is an integer number (39057240).

Almost surely, 2^396430377 is an apocalyptic number.

It is an amenable number.

396430377 is a deficient number, since it is larger than the sum of its proper divisors (228485463).

396430377 is a wasteful number, since it uses less digits than its factorization.

396430377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650992.

The product of its (nonzero) digits is 285768, while the sum is 42.

The square root of 396430377 is about 19910.5594346317. The cubic root of 396430377 is about 734.6079801297.

The spelling of 396430377 in words is "three hundred ninety-six million, four hundred thirty thousand, three hundred seventy-seven".