462378949 has 2 divisors, whose sum is σ = 462378950. Its totient is φ = 462378948.

The previous prime is 462378911. The next prime is 462378977. The reversal of 462378949 is 949873264.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 445421025 + 16957924 = 21105^2 + 4118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-462378949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 462378896 and 462378905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462378979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231189474 + 231189475.

It is an arithmetic number, because the mean of its divisors is an integer number (231189475).

Almost surely, 2^462378949 is an apocalyptic number.

It is an amenable number.

462378949 is a deficient number, since it is larger than the sum of its proper divisors (1).

462378949 is an equidigital number, since it uses as much as digits as its factorization.

462378949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 52.

The square root of 462378949 is about 21502.9986048458. The cubic root of 462378949 is about 773.2727117355.

The spelling of 462378949 in words is "four hundred sixty-two million, three hundred seventy-eight thousand, nine hundred forty-nine".