396144542 has 32 divisors (see below), whose sum is σ = 619708320. Its totient is φ = 189790720.

The previous prime is 396144521. The next prime is 396144563. The reversal of 396144542 is 245441693.

It is an interprime number because it is at equal distance from previous prime (396144521) and next prime (396144563).

It is a junction number, because it is equal to n+sod(n) for n = 396144496 and 396144505.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2010788 + ... + 2010984.

It is an arithmetic number, because the mean of its divisors is an integer number (19365885).

Almost surely, 2^396144542 is an apocalyptic number.

396144542 is a deficient number, since it is larger than the sum of its proper divisors (223563778).

396144542 is a wasteful number, since it uses less digits than its factorization.

396144542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its digits is 103680, while the sum is 38.

The square root of 396144542 is about 19903.3801651880. The cubic root of 396144542 is about 734.4313815218.

The spelling of 396144542 in words is "three hundred ninety-six million, one hundred forty-four thousand, five hundred forty-two".