1985290462 has 16 divisors (see below), whose sum is σ = 2988720000. Its totient is φ = 989057880.

The previous prime is 1985290451. The next prime is 1985290493. The reversal of 1985290462 is 2640925891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836137 + ... + 838507.

It is an arithmetic number, because the mean of its divisors is an integer number (186795000).

Almost surely, 2^1985290462 is an apocalyptic number.

1985290462 is a deficient number, since it is larger than the sum of its proper divisors (1003429538).

1985290462 is a wasteful number, since it uses less digits than its factorization.

1985290462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 1985290462 is about 44556.5984114587. The cubic root of 1985290462 is about 1256.8246368813.

The spelling of 1985290462 in words is "one billion, nine hundred eighty-five million, two hundred ninety thousand, four hundred sixty-two".