4031402 has 4 divisors (see below), whose sum is σ = 6047106. Its totient is φ = 2015700.

The previous prime is 4031399. The next prime is 4031441. The reversal of 4031402 is 2041304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2660161 + 1371241 = 1631^2 + 1171^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007849 + ... + 1007852.

Almost surely, 2^4031402 is an apocalyptic number.

4031402 is a deficient number, since it is larger than the sum of its proper divisors (2015704).

4031402 is a wasteful number, since it uses less digits than its factorization.

4031402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015703.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4031402 is about 2007.8351525959. The cubic root of 4031402 is about 159.1544192886.

Adding to 4031402 its reverse (2041304), we get a palindrome (6072706).

The spelling of 4031402 in words is "four million, thirty-one thousand, four hundred two".