400948192 has 12 divisors (see below), whose sum is σ = 789366816. Its totient is φ = 200474080.

The previous prime is 400948187. The next prime is 400948199. The reversal of 400948192 is 291849004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400948199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6264784 + ... + 6264847.

It is an arithmetic number, because the mean of its divisors is an integer number (65780568).

Almost surely, 2^400948192 is an apocalyptic number.

It is an amenable number.

400948192 is a deficient number, since it is larger than the sum of its proper divisors (388418624).

400948192 is a wasteful number, since it uses less digits than its factorization.

400948192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12529641 (or 12529633 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 400948192 is about 20023.6907686870. The cubic root of 400948192 is about 737.3880351716.

The spelling of 400948192 in words is "four hundred million, nine hundred forty-eight thousand, one hundred ninety-two".