1901494 has 12 divisors (see below), whose sum is σ = 3318084. Its totient is φ = 814884.

The previous prime is 1901489. The next prime is 1901507. The reversal of 1901494 is 4941091.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 9604 + ... + 9799.

It is an arithmetic number, because the mean of its divisors is an integer number (276507).

2^1901494 is an apocalyptic number.

1901494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1901494 is a deficient number, since it is larger than the sum of its proper divisors (1416590).

1901494 is a wasteful number, since it uses less digits than its factorization.

1901494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19419 (or 19412 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1901494 is about 1378.9466994775. The cubic root of 1901494 is about 123.8886878284. Note that the first 3 decimals are identical.

The spelling of 1901494 in words is "one million, nine hundred one thousand, four hundred ninety-four".