4091402 has 24 divisors (see below), whose sum is σ = 7239456. Its totient is φ = 1728888.

The previous prime is 4091393. The next prime is 4091459. The reversal of 4091402 is 2041904.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7883 + ... + 8385.

It is an arithmetic number, because the mean of its divisors is an integer number (301644).

Almost surely, 2^4091402 is an apocalyptic number.

4091402 is a deficient number, since it is larger than the sum of its proper divisors (3148054).

4091402 is a wasteful number, since it uses less digits than its factorization.

With its successor (4091403) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (602).

4091402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4091402 is about 2022.7214341080. The cubic root of 4091402 is about 159.9401077919.

The spelling of 4091402 in words is "four million, ninety-one thousand, four hundred two".