1964949 has 12 divisors (see below), whose sum is σ = 3047904. Its totient is φ = 1122744.

The previous prime is 1964947. The next prime is 1964951. The reversal of 1964949 is 9494691.

It is an interprime number because it is at equal distance from previous prime (1964947) and next prime (1964951).

It is not a de Polignac number, because 1964949 - 2¹ = 1964947 is a prime.

It is a super-2 number, since 2×1964949² = 7722049145202, which contains 22 as substring.

1964949 is a modest number, since divided by 4949 gives 196 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1964949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6537 + ... + 6830.

It is an arithmetic number, because the mean of its divisors is an integer number (253992).

2^1964949 is an apocalyptic number.

It is an amenable number.

1964949 is a deficient number, since it is larger than the sum of its proper divisors (1082955).

1964949 is a wasteful number, since it uses less digits than its factorization.

1964949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13384 (or 13377 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 1964949 is about 1401.7663856720. The cubic root of 1964949 is about 125.2517380168.

The spelling of 1964949 in words is "one million, nine hundred sixty-four thousand, nine hundred forty-nine".