3965554 has 8 divisors (see below), whose sum is σ = 6009948. Its totient is φ = 1962240.

The previous prime is 3965537. The next prime is 3965569. The reversal of 3965554 is 4555693.

It can be written as a sum of positive squares in 2 ways, for example, as 3861225 + 104329 = 1965^2 + 323^2 .

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

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, 10027 + ... + 10414.

Almost surely, 2^3965554 is an apocalyptic number.

3965554 is a deficient number, since it is larger than the sum of its proper divisors (2044394).

3965554 is a wasteful number, since it uses less digits than its factorization.

3965554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20540.

The product of its digits is 81000, while the sum is 37.

The square root of 3965554 is about 1991.3698802583. The cubic root of 3965554 is about 158.2831274491.

The spelling of 3965554 in words is "three million, nine hundred sixty-five thousand, five hundred fifty-four".