9400869 has 12 divisors (see below), whose sum is σ = 13605696. Its totient is φ = 6254952.

The previous prime is 9400861. The next prime is 9400871. The reversal of 9400869 is 9680049.

9400869 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9400869 - 2³ = 9400861 is a prime.

It is a super-2 number, since 2×9400869² = 176752675910322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9400861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7972 + ... + 9074.

It is an arithmetic number, because the mean of its divisors is an integer number (1133808).

Almost surely, 2^9400869 is an apocalyptic number.

It is an amenable number.

9400869 is a deficient number, since it is larger than the sum of its proper divisors (4204827).

9400869 is a wasteful number, since it uses less digits than its factorization.

9400869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 9400869 is about 3066.0836583499. The cubic root of 9400869 is about 211.0519327408.

The spelling of 9400869 in words is "nine million, four hundred thousand, eight hundred sixty-nine".