1964057 has 4 divisors (see below), whose sum is σ = 1977216. Its totient is φ = 1950900.

The previous prime is 1964047. The next prime is 1964059. The reversal of 1964057 is 7504691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1964057 - 2⁴ = 1964041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1964059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6353 + ... + 6654.

It is an arithmetic number, because the mean of its divisors is an integer number (494304).

2^1964057 is an apocalyptic number.

It is an amenable number.

1964057 is a deficient number, since it is larger than the sum of its proper divisors (13159).

1964057 is a wasteful number, since it uses less digits than its factorization.

1964057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13158.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1964057 is about 1401.4481795628. The cubic root of 1964057 is about 125.2327822304.

The spelling of 1964057 in words is "one million, nine hundred sixty-four thousand, fifty-seven".