1949725 has 12 divisors (see below), whose sum is σ = 2437344. Its totient is φ = 1547120.

The previous prime is 1949719. The next prime is 1949737. The reversal of 1949725 is 5279491.

It is a de Polignac number, because none of the positive numbers 2^k-1949725 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3942 + ... + 4408.

It is an arithmetic number, because the mean of its divisors is an integer number (203112).

2^1949725 is an apocalyptic number.

It is an amenable number.

1949725 is a deficient number, since it is larger than the sum of its proper divisors (487619).

1949725 is a wasteful number, since it uses less digits than its factorization.

1949725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 639 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 1949725 is about 1396.3255351099. The cubic root of 1949725 is about 124.9274245372.

The spelling of 1949725 in words is "one million, nine hundred forty-nine thousand, seven hundred twenty-five".