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3927007 = 731072
BaseRepresentation
bin1110111110101111011111
321101111211201
432332233133
52001131012
6220100331
745244000
oct16765737
97344751
103927007
112242467
1213946a7
13a76596
147431a7
15528857
hex3bebdf

3927007 has 12 divisors (see below), whose sum is σ = 4622800. Its totient is φ = 3334548.

The previous prime is 3926963. The next prime is 3927013. The reversal of 3927007 is 7007293.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 3927007 - 211 = 3924959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3927037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36648 + ... + 36754.

Almost surely, 23927007 is an apocalyptic number.

3927007 is a deficient number, since it is larger than the sum of its proper divisors (695793).

3927007 is an frugal number, since it uses more digits than its factorization.

3927007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 3927007 is about 1981.6677319874. The cubic root of 3927007 is about 157.7685951844.

Multiplying 3927007 by its sum of digits (28), we get a square (109956196 = 104862).

Subtracting from 3927007 its product of nonzero digits (2646), we obtain a square (3924361 = 19812).

The spelling of 3927007 in words is "three million, nine hundred twenty-seven thousand, seven".

Divisors: 1 7 49 107 343 749 5243 11449 36701 80143 561001 3927007