3794521 has 2 divisors, whose sum is σ = 3794522. Its totient is φ = 3794520.

The previous prime is 3794507. The next prime is 3794537. The reversal of 3794521 is 1254973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2143296 + 1651225 = 1464^2 + 1285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3794521 is a prime.

It is not a weakly prime, because it can be changed into another prime (3795521) 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, 1897260 + 1897261.

It is an arithmetic number, because the mean of its divisors is an integer number (1897261).

Almost surely, 2^3794521 is an apocalyptic number.

It is an amenable number.

3794521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3794521 is an equidigital number, since it uses as much as digits as its factorization.

3794521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 3794521 is about 1947.9530281811. The cubic root of 3794521 is about 155.9740396205.

It can be divided in two parts, 379 and 4521, that added together give a square (4900 = 70²).

The spelling of 3794521 in words is "three million, seven hundred ninety-four thousand, five hundred twenty-one".