901449 has 20 divisors (see below), whose sum is σ = 1393920. Its totient is φ = 579960.

The previous prime is 901447. The next prime is 901451. The reversal of 901449 is 944109.

It is an interprime number because it is at equal distance from previous prime (901447) and next prime (901451).

It is not a de Polignac number, because 901449 - 2¹ = 901447 is a prime.

It is a super-2 number, since 2×901449² = 1625220599202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (901441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2332 + ... + 2690.

It is an arithmetic number, because the mean of its divisors is an integer number (69696).

2⁹⁰¹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

901449 is a deficient number, since it is larger than the sum of its proper divisors (492471).

901449 is a wasteful number, since it uses less digits than its factorization.

901449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 901449 is about 949.4466809674. The cubic root of 901449 is about 96.6007252752.

The spelling of 901449 in words is "nine hundred one thousand, four hundred forty-nine".