1880402 has 4 divisors (see below), whose sum is σ = 2820606. Its totient is φ = 940200.

The previous prime is 1880401. The next prime is 1880413. The reversal of 1880402 is 2040881.

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., 1874161 + 6241 = 1369^2 + 79^2 .

It is not an unprimeable number, because it can be changed into a prime (1880401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470099 + ... + 470102.

2^1880402 is an apocalyptic number.

1880402 is a deficient number, since it is larger than the sum of its proper divisors (940204).

1880402 is an equidigital number, since it uses as much as digits as its factorization.

1880402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940203.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1880402 is about 1371.2775065609. The cubic root of 1880402 is about 123.4289121943.

The spelling of 1880402 in words is "one million, eight hundred eighty thousand, four hundred two".