409961395 has 16 divisors (see below), whose sum is σ = 495896832. Its totient is φ = 325352160.

The previous prime is 409961393. The next prime is 409961411. The reversal of 409961395 is 593169904.

It is not a de Polignac number, because 409961395 - 2¹ = 409961393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409961393) 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, 551394 + ... + 552136.

It is an arithmetic number, because the mean of its divisors is an integer number (30993552).

Almost surely, 2^409961395 is an apocalyptic number.

409961395 is a deficient number, since it is larger than the sum of its proper divisors (85935437).

409961395 is a wasteful number, since it uses less digits than its factorization.

409961395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 409961395 is about 20247.5034263486. The cubic root of 409961395 is about 742.8725667497.

The spelling of 409961395 in words is "four hundred nine million, nine hundred sixty-one thousand, three hundred ninety-five".