400047361 has 8 divisors (see below), whose sum is σ = 467829824. Its totient is φ = 334923120.

The previous prime is 400047341. The next prime is 400047377. The reversal of 400047361 is 163740004.

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

It is not a de Polignac number, because 400047361 - 2¹¹ = 400045313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400047341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664230 + ... + 664831.

It is an arithmetic number, because the mean of its divisors is an integer number (58478728).

Almost surely, 2^400047361 is an apocalyptic number.

It is an amenable number.

400047361 is a deficient number, since it is larger than the sum of its proper divisors (67782463).

400047361 is a wasteful number, since it uses less digits than its factorization.

400047361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329111.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 400047361 is about 20001.1839899542. The cubic root of 400047361 is about 736.8353784831.

Adding to 400047361 its reverse (163740004), we get a palindrome (563787365).

The spelling of 400047361 in words is "four hundred million, forty-seven thousand, three hundred sixty-one".