946491451 has 4 divisors (see below), whose sum is σ = 948088152. Its totient is φ = 944894752.

The previous prime is 946491421. The next prime is 946491527. The reversal of 946491451 is 154194649.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 946491451 - 2⁵ = 946491419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 946491398 and 946491407.

It is not an unprimeable number, because it can be changed into a prime (946491421) 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, 797461 + ... + 798646.

It is an arithmetic number, because the mean of its divisors is an integer number (237022038).

Almost surely, 2^946491451 is an apocalyptic number.

946491451 is a deficient number, since it is larger than the sum of its proper divisors (1596701).

946491451 is a wasteful number, since it uses less digits than its factorization.

946491451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596700.

The product of its digits is 155520, while the sum is 43.

The square root of 946491451 is about 30765.1011862467. The cubic root of 946491451 is about 981.8358793836.

It can be divided in two parts, 94649 and 1451, that added together give a square (96100 = 310²).

The spelling of 946491451 in words is "nine hundred forty-six million, four hundred ninety-one thousand, four hundred fifty-one".