1400049 has 24 divisors (see below), whose sum is σ = 2351232. Its totient is φ = 786240.
The previous prime is 1400039. The next prime is 1400051. The reversal of 1400049 is 9400041.
It is not a de Polignac number, because 1400049 - 25 = 1400017 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1400029) 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, 4317 + ... + 4629.
It is an arithmetic number, because the mean of its divisors is an integer number (97968).
21400049 is an apocalyptic number.
It is an amenable number.
1400049 is a deficient number, since it is larger than the sum of its proper divisors (951183).
1400049 is a wasteful number, since it uses less digits than its factorization.
1400049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397 (or 394 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 1400049 is about 1183.2366627180. The cubic root of 1400049 is about 111.8701993300.
The spelling of 1400049 in words is "one million, four hundred thousand, forty-nine".
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