3929901 has 8 divisors (see below), whose sum is σ = 5409024. Its totient is φ = 2535360.

The previous prime is 3929879. The next prime is 3929917. The reversal of 3929901 is 1099293.

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

It is not a de Polignac number, because 3929901 - 2⁷ = 3929773 is a prime.

3929901 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3929951) 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, 21036 + ... + 21221.

It is an arithmetic number, because the mean of its divisors is an integer number (676128).

Almost surely, 2^3929901 is an apocalyptic number.

3929901 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3929901 is a deficient number, since it is larger than the sum of its proper divisors (1479123).

3929901 is a wasteful number, since it uses less digits than its factorization.

3929901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42291.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 3929901 is about 1982.3977905557. The cubic root of 3929901 is about 157.8073414188.

The spelling of 3929901 in words is "three million, nine hundred twenty-nine thousand, nine hundred one".