400948 has 6 divisors (see below), whose sum is σ = 701666. Its totient is φ = 200472.

The previous prime is 400943. The next prime is 400949. The reversal of 400948 is 849004.

It can be written as a sum of positive squares in only one way, i.e., 258064 + 142884 = 508^2 + 378^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50115 + ... + 50122.

2⁴⁰⁰⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

400948 is a deficient number, since it is larger than the sum of its proper divisors (300718).

400948 is a wasteful number, since it uses less digits than its factorization.

400948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100241 (or 100239 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 400948 is about 633.2045483096. The cubic root of 400948 is about 73.7387917469.

The spelling of 400948 in words is "four hundred thousand, nine hundred forty-eight".