400014963 has 16 divisors (see below), whose sum is σ = 593049760. Its totient is φ = 266480928.

The previous prime is 400014949. The next prime is 400014973. The reversal of 400014963 is 369410004.

It is not a de Polignac number, because 400014963 - 2²¹ = 397917811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400014973) 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, 38481 + ... + 47757.

It is an arithmetic number, because the mean of its divisors is an integer number (37065610).

Almost surely, 2^400014963 is an apocalyptic number.

400014963 is a deficient number, since it is larger than the sum of its proper divisors (193034797).

400014963 is a wasteful number, since it uses less digits than its factorization.

400014963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10883 (or 10877 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 400014963 is about 20000.3740715018. The cubic root of 400014963 is about 736.8154869741.

Adding to 400014963 its reverse (369410004), we get a palindrome (769424967).

The spelling of 400014963 in words is "four hundred million, fourteen thousand, nine hundred sixty-three".