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1396149 = 3465383
BaseRepresentation
bin101010100110110110101
32121221011020
411110312311
5324134044
645531353
714603256
oct5246665
92557136
101396149
11873a47
12573b59
1339b631
14284b2d
151c8a19
hex154db5

1396149 has 4 divisors (see below), whose sum is σ = 1861536. Its totient is φ = 930764.

The previous prime is 1396141. The next prime is 1396183. The reversal of 1396149 is 9416931.

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 1396149 - 23 = 1396141 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396141) 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, 232689 + ... + 232694.

It is an arithmetic number, because the mean of its divisors is an integer number (465384).

21396149 is an apocalyptic number.

It is an amenable number.

1396149 is a deficient number, since it is larger than the sum of its proper divisors (465387).

1396149 is an equidigital number, since it uses as much as digits as its factorization.

1396149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465386.

The product of its digits is 5832, while the sum is 33.

The square root of 1396149 is about 1181.5874914707. The cubic root of 1396149 is about 111.7662268926.

The spelling of 1396149 in words is "one million, three hundred ninety-six thousand, one hundred forty-nine".

Divisors: 1 3 465383 1396149