1970615 has 4 divisors (see below), whose sum is σ = 2364744. Its totient is φ = 1576488.

The previous prime is 1970599. The next prime is 1970621. The reversal of 1970615 is 5160791.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1970615 - 2⁴ = 1970599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197057 + ... + 197066.

It is an arithmetic number, because the mean of its divisors is an integer number (591186).

2^1970615 is an apocalyptic number.

1970615 is a deficient number, since it is larger than the sum of its proper divisors (394129).

1970615 is an equidigital number, since it uses as much as digits as its factorization.

1970615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394128.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 1970615 is about 1403.7859523446. The cubic root of 1970615 is about 125.3720117597.

The spelling of 1970615 in words is "one million, nine hundred seventy thousand, six hundred fifteen".