3506427 has 12 divisors (see below), whose sum is σ = 5161104. Its totient is φ = 2293200.

The previous prime is 3506423. The next prime is 3506479. The reversal of 3506427 is 7246053.

It is a happy number.

It is not a de Polignac number, because 3506427 - 2² = 3506423 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3506427.

It is not an unprimeable number, because it can be changed into a prime (3506423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3199 + ... + 4152.

It is an arithmetic number, because the mean of its divisors is an integer number (430092).

Almost surely, 2^3506427 is an apocalyptic number.

3506427 is a deficient number, since it is larger than the sum of its proper divisors (1654677).

3506427 is a wasteful number, since it uses less digits than its factorization.

3506427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410 (or 7407 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 3506427 is about 1872.5455935704. The cubic root of 3506427 is about 151.9223258497.

The spelling of 3506427 in words is "three million, five hundred six thousand, four hundred twenty-seven".