783449452 has 12 divisors (see below), whose sum is σ = 1376922456. Its totient is φ = 390043040.

The previous prime is 783449431. The next prime is 783449473. The reversal of 783449452 is 254944387.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (783449431) and next prime (783449473).

It is a super-2 number, since 2×783449452² = 1227586087678200608, which contains 22 as substring.

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, 419374 + ... + 421237.

It is an arithmetic number, because the mean of its divisors is an integer number (114743538).

Almost surely, 2^783449452 is an apocalyptic number.

It is an amenable number.

783449452 is a deficient number, since it is larger than the sum of its proper divisors (593473004).

783449452 is a wasteful number, since it uses less digits than its factorization.

783449452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840848 (or 840846 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 783449452 is about 27990.1670591656. The cubic root of 783449452 is about 921.8713688828.

The spelling of 783449452 in words is "seven hundred eighty-three million, four hundred forty-nine thousand, four hundred fifty-two".