400948212 has 48 divisors (see below), whose sum is σ = 1070358912. Its totient is φ = 114432000.

The previous prime is 400948201. The next prime is 400948231. The reversal of 400948212 is 212849004.

It is a self number, because there is not a number n which added to its sum of digits gives 400948212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98212 + ... + 102212.

It is an arithmetic number, because the mean of its divisors is an integer number (22299144).

Almost surely, 2^400948212 is an apocalyptic number.

400948212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

400948212 is an abundant number, since it is smaller than the sum of its proper divisors (669410700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400948212 is a wasteful number, since it uses less digits than its factorization.

400948212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208 (or 5206 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 400948212 is about 20023.6912680954. The cubic root of 400948212 is about 737.3880474324.

The spelling of 400948212 in words is "four hundred million, nine hundred forty-eight thousand, two hundred twelve".