3902461 has 2 divisors, whose sum is σ = 3902462. Its totient is φ = 3902460.

The previous prime is 3902453. The next prime is 3902471. The reversal of 3902461 is 1642093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3404025 + 498436 = 1845^2 + 706^2 .

It is an emirp because it is prime and its reverse (1642093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3902461 - 2³ = 3902453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3902441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951230 + 1951231.

It is an arithmetic number, because the mean of its divisors is an integer number (1951231).

Almost surely, 2^3902461 is an apocalyptic number.

It is an amenable number.

3902461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3902461 is an equidigital number, since it uses as much as digits as its factorization.

3902461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3902461 is about 1975.4647554436. The cubic root of 3902461 is about 157.4391937947.

The spelling of 3902461 in words is "three million, nine hundred two thousand, four hundred sixty-one".