901630 has 8 divisors (see below), whose sum is σ = 1622952. Its totient is φ = 360648.

The previous prime is 901613. The next prime is 901643. The reversal of 901630 is 36109.

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

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 901598 and 901607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45072 + ... + 45091.

It is an arithmetic number, because the mean of its divisors is an integer number (202869).

2⁹⁰¹⁶³⁰ is an apocalyptic number.

901630 is a deficient number, since it is larger than the sum of its proper divisors (721322).

901630 is a wasteful number, since it uses less digits than its factorization.

901630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90170.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 901630 is about 949.5419948586. The cubic root of 901630 is about 96.6071902596.

Adding to 901630 its reverse (36109), we get a palindrome (937739).

It can be divided in two parts, 9016 and 30, that multiplied together give a triangular number (270480 = T₇₃₅).

The spelling of 901630 in words is "nine hundred one thousand, six hundred thirty".