395690442 has 32 divisors (see below), whose sum is σ = 935625600. Its totient is φ = 109155648.

The previous prime is 395690437. The next prime is 395690461. The reversal of 395690442 is 244096593.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 395690394 and 395690403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161217 + ... + 163652.

It is an arithmetic number, because the mean of its divisors is an integer number (29238300).

Almost surely, 2^395690442 is an apocalyptic number.

395690442 is an abundant number, since it is smaller than the sum of its proper divisors (539935158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395690442 is a wasteful number, since it uses less digits than its factorization.

395690442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324910.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 395690442 is about 19891.9692841106. The cubic root of 395690442 is about 734.1506482974.

The spelling of 395690442 in words is "three hundred ninety-five million, six hundred ninety thousand, four hundred forty-two".