400343102 has 8 divisors (see below), whose sum is σ = 603160776. Its totient is φ = 199289512.

The previous prime is 400343101. The next prime is 400343117. The reversal of 400343102 is 201343004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400343101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440453 + ... + 441360.

It is an arithmetic number, because the mean of its divisors is an integer number (75395097).

Almost surely, 2^400343102 is an apocalyptic number.

400343102 is a deficient number, since it is larger than the sum of its proper divisors (202817674).

400343102 is a wasteful number, since it uses less digits than its factorization.

400343102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882042.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 400343102 is about 20008.5757114293. The cubic root of 400343102 is about 737.0169059526.

Adding to 400343102 its reverse (201343004), we get a palindrome (601686106).

The spelling of 400343102 in words is "four hundred million, three hundred forty-three thousand, one hundred two".