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3973877 is a prime number
BaseRepresentation
bin1111001010001011110101
321110220010122
433022023311
52004131002
6221101325
745530435
oct17121365
97426118
103973877
1122746a6
1213b7845
13a91a0b
147562c5
155376a2
hex3ca2f5

3973877 has 2 divisors, whose sum is σ = 3973878. Its totient is φ = 3973876.

The previous prime is 3973861. The next prime is 3973919. The reversal of 3973877 is 7783793.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2961841 + 1012036 = 1721^2 + 1006^2 .

It is an emirp because it is prime and its reverse (7783793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3973877 - 24 = 3973861 is a prime.

It is a super-2 number, since 2×39738772 = 31583396822258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3973807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986938 + 1986939.

It is an arithmetic number, because the mean of its divisors is an integer number (1986939).

Almost surely, 23973877 is an apocalyptic number.

It is an amenable number.

3973877 is a deficient number, since it is larger than the sum of its proper divisors (1).

3973877 is an equidigital number, since it uses as much as digits as its factorization.

3973877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 44.

The square root of 3973877 is about 1993.4585523657. The cubic root of 3973877 is about 158.3937862109.

The spelling of 3973877 in words is "three million, nine hundred seventy-three thousand, eight hundred seventy-seven".