3921058 has 4 divisors (see below), whose sum is σ = 5881590. Its totient is φ = 1960528.

The previous prime is 3921037. The next prime is 3921059. The reversal of 3921058 is 8501293.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 1896129 = 1423^2 + 1377^2 .

It is not an unprimeable number, because it can be changed into a prime (3921059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980263 + ... + 980266.

Almost surely, 2^3921058 is an apocalyptic number.

3921058 is a deficient number, since it is larger than the sum of its proper divisors (1960532).

3921058 is a wasteful number, since it uses less digits than its factorization.

3921058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960531.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3921058 is about 1980.1661546446. The cubic root of 3921058 is about 157.6888873463.

It can be divided in two parts, 392 and 1058, that multiplied together give a square (414736 = 644²).

The spelling of 3921058 in words is "three million, nine hundred twenty-one thousand, fifty-eight".