1970355 has 8 divisors (see below), whose sum is σ = 3152592. Its totient is φ = 1050848.

The previous prime is 1970333. The next prime is 1970359. The reversal of 1970355 is 5530791.

It is a happy number.

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 1970355 - 2⁶ = 1970291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1970359) 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, 65664 + ... + 65693.

It is an arithmetic number, because the mean of its divisors is an integer number (394074).

2^1970355 is an apocalyptic number.

1970355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1970355 is a deficient number, since it is larger than the sum of its proper divisors (1182237).

1970355 is a wasteful number, since it uses less digits than its factorization.

1970355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131365.

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 1970355 is about 1403.6933425788. The cubic root of 1970355 is about 125.3664977185.

The spelling of 1970355 in words is "one million, nine hundred seventy thousand, three hundred fifty-five".