901949 has 8 divisors (see below), whose sum is σ = 975840. Its totient is φ = 830736.

The previous prime is 901937. The next prime is 901963. The reversal of 901949 is 949109.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 901949 - 2¹⁶ = 836413 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62 + ... + 1344.

It is an arithmetic number, because the mean of its divisors is an integer number (121980).

2⁹⁰¹⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

901949 is a deficient number, since it is larger than the sum of its proper divisors (73891).

901949 is a wasteful number, since it uses less digits than its factorization.

901949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 901949 is about 949.7099557233. The cubic root of 901949 is about 96.6185822423.

The spelling of 901949 in words is "nine hundred one thousand, nine hundred forty-nine".