1992841201 has 64 divisors (see below), whose sum is σ = 2500485120. Its totient is φ = 1567641600.

The previous prime is 1992841159. The next prime is 1992841211. The reversal of 1992841201 is 1021482991.

It is a 4-Lehmer number, since φ(1992841201) divides (1992841201-1)⁴.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 1992841201 - 2¹³ = 1992833009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a deceptive number, since it divides R_1992841200.

It is not an unprimeable number, because it can be changed into a prime (1992841211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15691600 + ... + 15691726.

It is an arithmetic number, because the mean of its divisors is an integer number (39070080).

It is a Poulet number, since it divides 2^1992841200-1.

Almost surely, 2^1992841201 is an apocalyptic number.

1992841201 is the 22321-st decagonal number.

It is an amenable number.

1992841201 is a deficient number, since it is larger than the sum of its proper divisors (507643919).

1992841201 is a wasteful number, since it uses less digits than its factorization.

1992841201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1992841201 is about 44641.2499936998. The cubic root of 1992841201 is about 1258.4159991460.

The spelling of 1992841201 in words is "one billion, nine hundred ninety-two million, eight hundred forty-one thousand, two hundred one".