3771406 has 4 divisors (see below), whose sum is σ = 5657112. Its totient is φ = 1885702.

The previous prime is 3771377. The next prime is 3771407. The reversal of 3771406 is 6041773.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6041773 = 29 ⋅208337.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3771407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 942850 + ... + 942853.

It is an arithmetic number, because the mean of its divisors is an integer number (1414278).

Almost surely, 2^3771406 is an apocalyptic number.

3771406 is a deficient number, since it is larger than the sum of its proper divisors (1885706).

3771406 is a wasteful number, since it uses less digits than its factorization.

3771406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885705.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 3771406 is about 1942.0108135641. The cubic root of 3771406 is about 155.6566797869.

It can be divided in two parts, 377140 and 6, that added together give a triangular number (377146 = T₈₆₈).

The spelling of 3771406 in words is "three million, seven hundred seventy-one thousand, four hundred six".