3402399 has 48 divisors (see below), whose sum is σ = 6196736. Its totient is φ = 1615680.

The previous prime is 3402389. The next prime is 3402403. The reversal of 3402399 is 9932043.

It is not a de Polignac number, because 3402399 - 2⁴ = 3402383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32982 + ... + 33084.

Almost surely, 2^3402399 is an apocalyptic number.

3402399 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3402399 is a deficient number, since it is larger than the sum of its proper divisors (2794337).

3402399 is a wasteful number, since it uses less digits than its factorization.

3402399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 3402399 is about 1844.5592969596. The cubic root of 3402399 is about 150.4048176130.

The spelling of 3402399 in words is "three million, four hundred two thousand, three hundred ninety-nine".