400913962 has 4 divisors (see below), whose sum is σ = 601370946. Its totient is φ = 200456980.

The previous prime is 400913911. The next prime is 400913963. The reversal of 400913962 is 269319004.

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

It can be written as a sum of positive squares in only one way, i.e., 261177921 + 139736041 = 16161^2 + 11821^2 .

It is not an unprimeable number, because it can be changed into a prime (400913963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100228489 + ... + 100228492.

Almost surely, 2^400913962 is an apocalyptic number.

400913962 is a deficient number, since it is larger than the sum of its proper divisors (200456984).

400913962 is a wasteful number, since it uses less digits than its factorization.

400913962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200456983.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 400913962 is about 20022.8360129129. The cubic root of 400913962 is about 737.3670503235.

It can be divided in two parts, 4009 and 13962, that added together give a palindrome (17971).

The spelling of 400913962 in words is "four hundred million, nine hundred thirteen thousand, nine hundred sixty-two".