3929437 has 8 divisors (see below), whose sum is σ = 4104152. Its totient is φ = 3758400.

The previous prime is 3929417. The next prime is 3929449. The reversal of 3929437 is 7349293.

It can be written as a sum of positive squares in 4 ways, for example, as 12996 + 3916441 = 114^2 + 1979^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3929437 - 2⁷ = 3929309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

3929437 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3929396 and 3929405.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1387 + ... + 3127.

It is an arithmetic number, because the mean of its divisors is an integer number (513019).

Almost surely, 2^3929437 is an apocalyptic number.

3929437 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3929437 is a deficient number, since it is larger than the sum of its proper divisors (174715).

3929437 is a wasteful number, since it uses less digits than its factorization.

3929437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839.

The product of its digits is 40824, while the sum is 37.

The square root of 3929437 is about 1982.2807571078. The cubic root of 3929437 is about 157.8011304491.

The spelling of 3929437 in words is "three million, nine hundred twenty-nine thousand, four hundred thirty-seven".