3748407 has 16 divisors (see below), whose sum is σ = 5419008. Its totient is φ = 2291040.

The previous prime is 3748399. The next prime is 3748417. The reversal of 3748407 is 7048473.

It is a happy number.

It is not a de Polignac number, because 3748407 - 2³ = 3748399 is a prime.

It is a d-powerful number, because it can be written as 3² + 7⁷ + 4³ + 8⁷ + 4⁶ + 0 + 7⁷ .

3748407 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3748417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8482 + ... + 8912.

It is an arithmetic number, because the mean of its divisors is an integer number (338688).

Almost surely, 2^3748407 is an apocalyptic number.

3748407 is a deficient number, since it is larger than the sum of its proper divisors (1670601).

3748407 is a wasteful number, since it uses less digits than its factorization.

3748407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 3748407 is about 1936.0803185819. The cubic root of 3748407 is about 155.3396229757.

The spelling of 3748407 in words is "three million, seven hundred forty-eight thousand, four hundred seven".