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3904057 is a prime number
BaseRepresentation
bin1110111001001000111001
321100100100201
432321020321
51444412212
6215402201
745120043
oct16711071
97310321
103904057
1122271a3
121383361
13a68cc1
14738a93
15521b57
hex3b9239

3904057 has 2 divisors, whose sum is σ = 3904058. Its totient is φ = 3904056.

The previous prime is 3904051. The next prime is 3904081. The reversal of 3904057 is 7504093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2595321 + 1308736 = 1611^2 + 1144^2 .

It is an emirp because it is prime and its reverse (7504093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3904057 - 27 = 3903929 is a prime.

It is a super-2 number, since 2×39040572 = 30483322118498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3904051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1952028 + 1952029.

It is an arithmetic number, because the mean of its divisors is an integer number (1952029).

Almost surely, 23904057 is an apocalyptic number.

It is an amenable number.

3904057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3904057 is an equidigital number, since it uses as much as digits as its factorization.

3904057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3904057 is about 1975.8686697248. The cubic root of 3904057 is about 157.4606536467.

The spelling of 3904057 in words is "three million, nine hundred four thousand, fifty-seven".