3949102 has 4 divisors (see below), whose sum is σ = 5923656. Its totient is φ = 1974550.

The previous prime is 3949097. The next prime is 3949109. The reversal of 3949102 is 2019493.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2019493 = 7 ⋅288499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987274 + ... + 987277.

It is an arithmetic number, because the mean of its divisors is an integer number (1480914).

Almost surely, 2^3949102 is an apocalyptic number.

3949102 is a deficient number, since it is larger than the sum of its proper divisors (1974554).

3949102 is a wasteful number, since it uses less digits than its factorization.

3949102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974553.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 3949102 is about 1987.2347621758. The cubic root of 3949102 is about 158.0639328941.

It can be divided in two parts, 39 and 49102, that added together give a triangular number (49141 = T₃₁₃).

The spelling of 3949102 in words is "three million, nine hundred forty-nine thousand, one hundred two".