3929402 has 8 divisors (see below), whose sum is σ = 5913876. Its totient is φ = 1958112.

The previous prime is 3929369. The next prime is 3929407. The reversal of 3929402 is 2049293.

It can be written as a sum of positive squares in 2 ways, for example, as 3924361 + 5041 = 1981^2 + 71^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3929407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513 + ... + 3764.

Almost surely, 2^3929402 is an apocalyptic number.

3929402 is a deficient number, since it is larger than the sum of its proper divisors (1984474).

3929402 is a wasteful number, since it uses less digits than its factorization.

3929402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6592.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3929402 is about 1982.2719288735. The cubic root of 3929402 is about 157.8006619294.

The spelling of 3929402 in words is "three million, nine hundred twenty-nine thousand, four hundred two".