400623314 has 64 divisors (see below), whose sum is σ = 762048000. Its totient is φ = 156953664.

The previous prime is 400623263. The next prime is 400623367. The reversal of 400623314 is 413326004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 400623314.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1489172 + ... + 1489440.

It is an arithmetic number, because the mean of its divisors is an integer number (11907000).

Almost surely, 2^400623314 is an apocalyptic number.

400623314 is a deficient number, since it is larger than the sum of its proper divisors (361424686).

400623314 is a wasteful number, since it uses less digits than its factorization.

400623314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 400623314 is about 20015.5767840949. The cubic root of 400623314 is about 737.1888191736.

Adding to 400623314 its reverse (413326004), we get a palindrome (813949318).

The spelling of 400623314 in words is "four hundred million, six hundred twenty-three thousand, three hundred fourteen".