400343095 has 4 divisors (see below), whose sum is σ = 480411720. Its totient is φ = 320274472.

The previous prime is 400343077. The next prime is 400343101. The reversal of 400343095 is 590343004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400343095 - 2⁷ = 400342967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40034305 + ... + 40034314.

It is an arithmetic number, because the mean of its divisors is an integer number (120102930).

Almost surely, 2^400343095 is an apocalyptic number.

400343095 is a deficient number, since it is larger than the sum of its proper divisors (80068625).

400343095 is an equidigital number, since it uses as much as digits as its factorization.

400343095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80068624.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 400343095 is about 20008.5755365043. The cubic root of 400343095 is about 737.0169016570.

Adding to 400343095 its reverse (590343004), we get a palindrome (990686099).

The spelling of 400343095 in words is "four hundred million, three hundred forty-three thousand, ninety-five".