1491546246 has 64 divisors (see below), whose sum is σ = 3274318080. Its totient is φ = 451301760.

The previous prime is 1491546233. The next prime is 1491546317. The reversal of 1491546246 is 6426451941.

It is a junction number, because it is equal to n+sod(n) for n = 1491546198 and 1491546207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256936 + ... + 262676.

It is an arithmetic number, because the mean of its divisors is an integer number (51161220).

Almost surely, 2^1491546246 is an apocalyptic number.

1491546246 is an abundant number, since it is smaller than the sum of its proper divisors (1782771834).

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

1491546246 is a wasteful number, since it uses less digits than its factorization.

1491546246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861.

The product of its digits is 207360, while the sum is 42.

The square root of 1491546246 is about 38620.5417621245. The cubic root of 1491546246 is about 1142.5597160379.

The spelling of 1491546246 in words is "one billion, four hundred ninety-one million, five hundred forty-six thousand, two hundred forty-six".