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4400957 = 11400087
BaseRepresentation
bin10000110010011100111101
322021120222102
4100302130331
52111312312
6234154445
752256531
oct20623475
98246872
104400957
112536560
121582a25
13bb1222
14827bc1
155bdec2
hex43273d

4400957 has 4 divisors (see below), whose sum is σ = 4801056. Its totient is φ = 4000860.

The previous prime is 4400927. The next prime is 4400959. The reversal of 4400957 is 7590044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4400957 - 28 = 4400701 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400959) 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, 200033 + ... + 200054.

It is an arithmetic number, because the mean of its divisors is an integer number (1200264).

Almost surely, 24400957 is an apocalyptic number.

It is an amenable number.

4400957 is a deficient number, since it is larger than the sum of its proper divisors (400099).

4400957 is a wasteful number, since it uses less digits than its factorization.

4400957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400098.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 4400957 is about 2097.8457998623. The cubic root of 4400957 is about 163.8761334173.

The spelling of 4400957 in words is "four million, four hundred thousand, nine hundred fifty-seven".

Divisors: 1 11 400087 4400957