9401390 has 16 divisors (see below), whose sum is σ = 17813520. Its totient is φ = 3562560.

The previous prime is 9401377. The next prime is 9401419. The reversal of 9401390 is 931049.

It is a happy number.

It is a super-2 number, since 2×9401390² = 176772267864200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24551 + ... + 24930.

It is an arithmetic number, because the mean of its divisors is an integer number (1113345).

Almost surely, 2^9401390 is an apocalyptic number.

9401390 is a deficient number, since it is larger than the sum of its proper divisors (8412130).

9401390 is a wasteful number, since it uses less digits than its factorization.

9401390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49507.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 9401390 is about 3066.1686189771. The cubic root of 9401390 is about 211.0558315302.

The spelling of 9401390 in words is "nine million, four hundred one thousand, three hundred ninety".