1901948 has 24 divisors (see below), whose sum is σ = 3485664. Its totient is φ = 907200.

The previous prime is 1901947. The next prime is 1901951. The reversal of 1901948 is 8491091.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10418 + ... + 10598.

It is an arithmetic number, because the mean of its divisors is an integer number (145236).

2^1901948 is an apocalyptic number.

It is an amenable number.

1901948 is a deficient number, since it is larger than the sum of its proper divisors (1583716).

1901948 is a wasteful number, since it uses less digits than its factorization.

1901948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1901948 is about 1379.1113080531. Note that the first 3 decimals coincide. The cubic root of 1901948 is about 123.8985469162.

The spelling of 1901948 in words is "one million, nine hundred one thousand, nine hundred forty-eight".