3929961 has 8 divisors (see below), whose sum is σ = 5988544. Its totient is φ = 2245680.

The previous prime is 3929957. The next prime is 3929969. The reversal of 3929961 is 1699293.

It is a happy number.

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

It is not a de Polignac number, because 3929961 - 2² = 3929957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3929969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93550 + ... + 93591.

It is an arithmetic number, because the mean of its divisors is an integer number (748568).

Almost surely, 2^3929961 is an apocalyptic number.

It is an amenable number.

3929961 is a deficient number, since it is larger than the sum of its proper divisors (2058583).

3929961 is a wasteful number, since it uses less digits than its factorization.

3929961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187151.

The product of its digits is 26244, while the sum is 39.

The square root of 3929961 is about 1982.4129236867. The cubic root of 3929961 is about 157.8081445257.

The spelling of 3929961 in words is "three million, nine hundred twenty-nine thousand, nine hundred sixty-one".