3872434 has 8 divisors (see below), whose sum is σ = 5868828. Its totient is φ = 1916160.

The previous prime is 3872423. The next prime is 3872459. The reversal of 3872434 is 4342783.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3667225 + 205209 = 1915^2 + 453^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3872396 and 3872405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9787 + ... + 10174.

Almost surely, 2^3872434 is an apocalyptic number.

3872434 is a deficient number, since it is larger than the sum of its proper divisors (1996394).

3872434 is a wasteful number, since it uses less digits than its factorization.

3872434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20060.

The product of its digits is 16128, while the sum is 31.

The square root of 3872434 is about 1967.8500959169. The cubic root of 3872434 is about 157.0343549306.

The spelling of 3872434 in words is "three million, eight hundred seventy-two thousand, four hundred thirty-four".