3791145 has 24 divisors (see below), whose sum is σ = 6291648. Its totient is φ = 1949280.

The previous prime is 3791107. The next prime is 3791167. The reversal of 3791145 is 5411973.

It is not a de Polignac number, because 3791145 - 2⁸ = 3790889 is a prime.

It is a super-2 number, since 2×3791145² = 28745560822050, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14284 + ... + 14546.

It is an arithmetic number, because the mean of its divisors is an integer number (262152).

Almost surely, 2^3791145 is an apocalyptic number.

It is an amenable number.

3791145 is a deficient number, since it is larger than the sum of its proper divisors (2500503).

3791145 is a wasteful number, since it uses less digits than its factorization.

3791145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 302 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 3791145 is about 1947.0862846828. The cubic root of 3791145 is about 155.9277689934.

The spelling of 3791145 in words is "three million, seven hundred ninety-one thousand, one hundred forty-five".