3907481 has 2 divisors, whose sum is σ = 3907482. Its totient is φ = 3907480.

The previous prime is 3907441. The next prime is 3907487. The reversal of 3907481 is 1847093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 1731856 = 1475^2 + 1316^2 .

It is an emirp because it is prime and its reverse (1847093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3907481 - 2⁶ = 3907417 is a prime.

It is a super-2 number, since 2×3907481² = 30536815530722, which contains 22 as substring.

It is a Chen prime.

It is equal to p₂₇₇₀₈₈ and since 3907481 and 277088 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3907487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1953740 + 1953741.

It is an arithmetic number, because the mean of its divisors is an integer number (1953741).

Almost surely, 2^3907481 is an apocalyptic number.

It is an amenable number.

3907481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3907481 is an equidigital number, since it uses as much as digits as its factorization.

3907481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 3907481 is about 1976.7349341781. The cubic root of 3907481 is about 157.5066731027.

The spelling of 3907481 in words is "three million, nine hundred seven thousand, four hundred eighty-one".