3783457 has 8 divisors (see below), whose sum is σ = 3940352. Its totient is φ = 3632580.

The previous prime is 3783449. The next prime is 3783463. The reversal of 3783457 is 7543873.

It is not a de Polignac number, because 3783457 - 2³ = 3783449 is a prime.

It is a d-powerful number, because it can be written as 3³ + 7⁷ + 8⁷ + 3⁹ + 4⁷ + 5⁵ + 7⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3783407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29728 + ... + 29854.

It is an arithmetic number, because the mean of its divisors is an integer number (492544).

Almost surely, 2^3783457 is an apocalyptic number.

It is an amenable number.

3783457 is a deficient number, since it is larger than the sum of its proper divisors (156895).

3783457 is an frugal number, since it uses more digits than its factorization.

3783457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 158 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 3783457 is about 1945.1110508143. Note that the first 3 decimals coincide. The cubic root of 3783457 is about 155.8222965547.

The spelling of 3783457 in words is "three million, seven hundred eighty-three thousand, four hundred fifty-seven".