3749806 has 4 divisors (see below), whose sum is σ = 5624712. Its totient is φ = 1874902.

The previous prime is 3749773. The next prime is 3749807. The reversal of 3749806 is 6089473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6089473 = 13 ⋅468421.

It is a super-2 number, since 2×3749806² = 28122090075272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937450 + ... + 937453.

It is an arithmetic number, because the mean of its divisors is an integer number (1406178).

Almost surely, 2^3749806 is an apocalyptic number.

3749806 is a deficient number, since it is larger than the sum of its proper divisors (1874906).

3749806 is a wasteful number, since it uses less digits than its factorization.

3749806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874905.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3749806 is about 1936.4415818712. The cubic root of 3749806 is about 155.3589461266.

The spelling of 3749806 in words is "three million, seven hundred forty-nine thousand, eight hundred six".