3920522 has 4 divisors (see below), whose sum is σ = 5880786. Its totient is φ = 1960260.

The previous prime is 3920513. The next prime is 3920551. The reversal of 3920522 is 2250293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2250293 = 223 ⋅10091.

It can be written as a sum of positive squares in only one way, i.e., 3759721 + 160801 = 1939^2 + 401^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980129 + ... + 980132.

Almost surely, 2^3920522 is an apocalyptic number.

3920522 is a deficient number, since it is larger than the sum of its proper divisors (1960264).

3920522 is a wasteful number, since it uses less digits than its factorization.

3920522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960263.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3920522 is about 1980.0308078411. The cubic root of 3920522 is about 157.6817017776.

The spelling of 3920522 in words is "three million, nine hundred twenty thousand, five hundred twenty-two".