395421502 has 16 divisors (see below), whose sum is σ = 713543040. Its totient is φ = 160546968.

The previous prime is 395421493. The next prime is 395421503. The reversal of 395421502 is 205124593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395421503) 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 7 ways as a sum of consecutive naturals, for example, 743008 + ... + 743539.

It is an arithmetic number, because the mean of its divisors is an integer number (44596440).

Almost surely, 2^395421502 is an apocalyptic number.

395421502 is a deficient number, since it is larger than the sum of its proper divisors (318121538).

395421502 is a wasteful number, since it uses less digits than its factorization.

395421502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486575.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 395421502 is about 19885.2081206107. The cubic root of 395421502 is about 733.9842832105.

The spelling of 395421502 in words is "three hundred ninety-five million, four hundred twenty-one thousand, five hundred two".