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1395984 = 243127229
BaseRepresentation
bin101010100110100010000
32121220221010
411110310100
5324132414
645530520
714602632
oct5246420
92556833
101395984
11873907
12573a40
1339b535
14284a52
151c8959
hex154d10

1395984 has 40 divisors (see below), whose sum is σ = 3650560. Its totient is φ = 459648.

The previous prime is 1395983. The next prime is 1395991. The reversal of 1395984 is 4895931.

It is not an unprimeable number, because it can be changed into a prime (1395983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5982 + ... + 6210.

It is an arithmetic number, because the mean of its divisors is an integer number (91264).

21395984 is an apocalyptic number.

It is an amenable number.

1395984 is an abundant number, since it is smaller than the sum of its proper divisors (2254576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1395984 is a wasteful number, since it uses less digits than its factorization.

1395984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 361 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 1395984 is about 1181.5176680863. The cubic root of 1395984 is about 111.7618237918.

The spelling of 1395984 in words is "one million, three hundred ninety-five thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 127 229 254 381 458 508 687 762 916 1016 1374 1524 1832 2032 2748 3048 3664 5496 6096 10992 29083 58166 87249 116332 174498 232664 348996 465328 697992 1395984