901863412 has 12 divisors (see below), whose sum is σ = 1578471300. Its totient is φ = 450871616.

The previous prime is 901863341. The next prime is 901863461. The reversal of 901863412 is 214368109.

It can be written as a sum of positive squares in 2 ways, for example, as 824493796 + 77369616 = 28714^2 + 8796^2 .

It is a super-2 number, since 2×901863412² = 1626715227808563488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50448 + ... + 65944.

It is an arithmetic number, because the mean of its divisors is an integer number (131539275).

Almost surely, 2^901863412 is an apocalyptic number.

It is an amenable number.

901863412 is a deficient number, since it is larger than the sum of its proper divisors (676607888).

901863412 is a wasteful number, since it uses less digits than its factorization.

901863412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30050 (or 30048 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 901863412 is about 30031.0408078042. The cubic root of 901863412 is about 966.1552602629.

The spelling of 901863412 in words is "nine hundred one million, eight hundred sixty-three thousand, four hundred twelve".