400948229 has 8 divisors (see below), whose sum is σ = 452481120. Its totient is φ = 351929200.

The previous prime is 400948201. The next prime is 400948231. The reversal of 400948229 is 922849004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400948229 - 2⁸ = 400947973 is a prime.

It is a super-4 number, since 4×400948229⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400948192 and 400948201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400918229) 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 in 7 ways as a sum of consecutive naturals, for example, 628127 + ... + 628764.

It is an arithmetic number, because the mean of its divisors is an integer number (56560140).

Almost surely, 2^400948229 is an apocalyptic number.

It is an amenable number.

400948229 is a deficient number, since it is larger than the sum of its proper divisors (51532891).

400948229 is a wasteful number, since it uses less digits than its factorization.

400948229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256931.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 400948229 is about 20023.6916925926. The cubic root of 400948229 is about 737.3880578540.

The spelling of 400948229 in words is "four hundred million, nine hundred forty-eight thousand, two hundred twenty-nine".