1901395 has 8 divisors (see below), whose sum is σ = 2296656. Its totient is φ = 1511136.

The previous prime is 1901377. The next prime is 1901407. The reversal of 1901395 is 5931091.

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 1901395 - 2⁵ = 1901363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (287082).

2^1901395 is an apocalyptic number.

1901395 is a deficient number, since it is larger than the sum of its proper divisors (395261).

1901395 is a wasteful number, since it uses less digits than its factorization.

1901395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 1901395 is about 1378.9108020463. The cubic root of 1901395 is about 123.8865377309.

The spelling of 1901395 in words is "one million, nine hundred one thousand, three hundred ninety-five".