3909214 has 4 divisors (see below), whose sum is σ = 5863824. Its totient is φ = 1954606.

The previous prime is 3909211. The next prime is 3909221. The reversal of 3909214 is 4129093.

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: 4129093 = 79 ⋅52267.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3909211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977302 + ... + 977305.

It is an arithmetic number, because the mean of its divisors is an integer number (1465956).

Almost surely, 2^3909214 is an apocalyptic number.

3909214 is a deficient number, since it is larger than the sum of its proper divisors (1954610).

3909214 is a wasteful number, since it uses less digits than its factorization.

3909214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954609.

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

The square root of 3909214 is about 1977.1732346964. The cubic root of 3909214 is about 157.5299548300.

It can be divided in two parts, 390 and 9214, that added together give a square (9604 = 98²).

The spelling of 3909214 in words is "three million, nine hundred nine thousand, two hundred fourteen".