400973133 has 32 divisors (see below), whose sum is σ = 591460992. Its totient is φ = 239616000.

The previous prime is 400973119. The next prime is 400973141. The reversal of 400973133 is 331379004.

It is not a de Polignac number, because 400973133 - 2¹⁴ = 400956749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400973133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400973533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 999733 + ... + 1000133.

It is an arithmetic number, because the mean of its divisors is an integer number (18483156).

Almost surely, 2^400973133 is an apocalyptic number.

It is an amenable number.

400973133 is a deficient number, since it is larger than the sum of its proper divisors (190487859).

400973133 is a wasteful number, since it uses less digits than its factorization.

400973133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 400973133 is about 20024.3135462867. The cubic root of 400973133 is about 737.4033246064.

The spelling of 400973133 in words is "four hundred million, nine hundred seventy-three thousand, one hundred thirty-three".