4345402 has 4 divisors (see below), whose sum is σ = 6518106. Its totient is φ = 2172700.

The previous prime is 4345381. The next prime is 4345403. The reversal of 4345402 is 2045434.

It is a happy number.

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., 2187441 + 2157961 = 1479^2 + 1469^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4345403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086349 + ... + 1086352.

Almost surely, 2^4345402 is an apocalyptic number.

4345402 is a deficient number, since it is larger than the sum of its proper divisors (2172704).

4345402 is a wasteful number, since it uses less digits than its factorization.

4345402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172703.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4345402 is about 2084.5627838950. The cubic root of 4345402 is about 163.1836538879.

Subtracting from 4345402 its reverse (2045434), we obtain a cube (2299968 = 132³).

The spelling of 4345402 in words is "four million, three hundred forty-five thousand, four hundred two".