400000711 has 24 divisors (see below), whose sum is σ = 465297840. Its totient is φ = 342650880.

The previous prime is 400000709. The next prime is 400000753. The reversal of 400000711 is 117000004.

It is not a de Polignac number, because 400000711 - 2¹ = 400000709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400000691 and 400000700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400000411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590505 + ... + 591181.

It is an arithmetic number, because the mean of its divisors is an integer number (19387410).

Almost surely, 2^400000711 is an apocalyptic number.

400000711 is a deficient number, since it is larger than the sum of its proper divisors (65297129).

400000711 is a wasteful number, since it uses less digits than its factorization.

400000711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 400000711 is about 20000.0177749921. The cubic root of 400000711 is about 736.8067362856.

Adding to 400000711 its reverse (117000004), we get a palindrome (517000715).

The spelling of 400000711 in words is "four hundred million, seven hundred eleven", and thus it is an aban number.