3400402 has 8 divisors (see below), whose sum is σ = 5123196. Its totient is φ = 1692672.

The previous prime is 3400399. The next prime is 3400409. The reversal of 3400402 is 2040043.

It can be written as a sum of positive squares in 2 ways, for example, as 3207681 + 192721 = 1791^2 + 439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3400409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3183 + ... + 4114.

Almost surely, 2^3400402 is an apocalyptic number.

3400402 is a deficient number, since it is larger than the sum of its proper divisors (1722794).

3400402 is a wasteful number, since it uses less digits than its factorization.

3400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7532.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 3400402 is about 1844.0178957917. The cubic root of 3400402 is about 150.3753857127.

Adding to 3400402 its reverse (2040043), we get a palindrome (5440445).

The spelling of 3400402 in words is "three million, four hundred thousand, four hundred two".