3902651 has 2 divisors, whose sum is σ = 3902652. Its totient is φ = 3902650.

The previous prime is 3902641. The next prime is 3902677. The reversal of 3902651 is 1562093.

3902651 is nontrivially palindromic in base 4.

It is an a-pointer prime, because the next prime (3902677) can be obtained adding 3902651 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3902651 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3902651.

It is not a weakly prime, because it can be changed into another prime (3902641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951325 + 1951326.

It is an arithmetic number, because the mean of its divisors is an integer number (1951326).

Almost surely, 2^3902651 is an apocalyptic number.

3902651 is a deficient number, since it is larger than the sum of its proper divisors (1).

3902651 is an equidigital number, since it uses as much as digits as its factorization.

3902651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 3902651 is about 1975.5128448076. The cubic root of 3902651 is about 157.4417488457.

The spelling of 3902651 in words is "three million, nine hundred two thousand, six hundred fifty-one".