1902046 has 4 divisors (see below), whose sum is σ = 2853072. Its totient is φ = 951022.

The previous prime is 1902037. The next prime is 1902049. The reversal of 1902046 is 6402091.

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

It is a super-2 number, since 2×1902046² = 7235557972232, which contains 22 as substring.

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 an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1902049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475510 + ... + 475513.

It is an arithmetic number, because the mean of its divisors is an integer number (713268).

2^1902046 is an apocalyptic number.

1902046 is a deficient number, since it is larger than the sum of its proper divisors (951026).

1902046 is an equidigital number, since it uses as much as digits as its factorization.

1902046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951025.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1902046 is about 1379.1468377225. The cubic root of 1902046 is about 123.9006748834.

The spelling of 1902046 in words is "one million, nine hundred two thousand, forty-six".