1964207448 has 64 divisors (see below), whose sum is σ = 6235584000. Its totient is φ = 561201696.

The previous prime is 1964207389. The next prime is 1964207467. The reversal of 1964207448 is 8447024691.

It is a super-2 number, since 2×1964207448² = 7716221797557345408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648028 + ... + 651051.

It is an arithmetic number, because the mean of its divisors is an integer number (97431000).

Almost surely, 2^1964207448 is an apocalyptic number.

1964207448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1964207448 is an abundant number, since it is smaller than the sum of its proper divisors (4271376552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1964207448 is a wasteful number, since it uses less digits than its factorization.

1964207448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299101 (or 1299091 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1964207448 is about 44319.3800498157. The cubic root of 1964207448 is about 1252.3597978532.

The spelling of 1964207448 in words is "one billion, nine hundred sixty-four million, two hundred seven thousand, four hundred forty-eight".