190452831 has 32 divisors (see below), whose sum is σ = 272160000. Its totient is φ = 118245120.

The previous prime is 190452817. The next prime is 190452841. The reversal of 190452831 is 138254091.

It is a de Polignac number, because none of the positive numbers 2^k-190452831 is a prime.

It is a super-2 number, since 2×190452831² = 72544561671829122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190452792 and 190452801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190452841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381420 + ... + 381918.

It is an arithmetic number, because the mean of its divisors is an integer number (8505000).

Almost surely, 2^190452831 is an apocalyptic number.

190452831 is a deficient number, since it is larger than the sum of its proper divisors (81707169).

190452831 is a wasteful number, since it uses less digits than its factorization.

190452831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 190452831 is about 13800.4648834740. The cubic root of 190452831 is about 575.3460611221.

The spelling of 190452831 in words is "one hundred ninety million, four hundred fifty-two thousand, eight hundred thirty-one".