400364233 has 4 divisors (see below), whose sum is σ = 400936068. Its totient is φ = 399792400.

The previous prime is 400364207. The next prime is 400364249. The reversal of 400364233 is 332463004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 188457984 + 211906249 = 13728^2 + 14557^2 .

It is a cyclic number.

It is not a de Polignac number, because 400364233 - 2⁹ = 400363721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400364198 and 400364207.

It is not an unprimeable number, because it can be changed into a prime (400364033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284866 + ... + 286267.

It is an arithmetic number, because the mean of its divisors is an integer number (100234017).

Almost surely, 2^400364233 is an apocalyptic number.

It is an amenable number.

400364233 is a deficient number, since it is larger than the sum of its proper divisors (571835).

400364233 is an equidigital number, since it uses as much as digits as its factorization.

400364233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571834.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 400364233 is about 20009.1037530420. The cubic root of 400364233 is about 737.0298728554.

The spelling of 400364233 in words is "four hundred million, three hundred sixty-four thousand, two hundred thirty-three".